帮忙修改一下英语对话,

帮忙修改一下英语对话,
写了一个英语对话,请高手帮忙修改一下语法之类的错误.添加点语句也没关心,保持文章完整性.
Dialogue.
O :Anna,I'm really really sorry I'm so late!
A :Why are you so late?I was worried that maybe you'd had an problem.
O :Sorry to worry you,but my dog was sick all day long yesterday.
A :Oh.
O :I'm took her to a hospital,since she looked so sick.but her condition was never the better.So I have to take care of her all night.
A :Oh my...that's too bad.What happened to her?Is she OK now?
O :she had a problem with intestine,but fortunately she get better today.
A :I'm so glad to hear that.
O :Thanks you.and...whatever the reason,I'm sorry to have you kept waiting long.Let me buy you lunch.
A :No,you don't need to do that.I understand.
O :Come on.It's the least I can do.
A :Oh well,if you insist.Anyway you said you want to buy a suit and some stuff.right?
O :Yeah right.
A :Then,how about going to the Gang nam station.There are lots of shops and department stores.
O :that's good idea.let's go!
A :Oh..I don't know how to get there from here.Owen do you know the best way to get there?
O :I think we'd better take the subway to Gang nam.
A :um..subway?What about the bus?
O :We can take a bus,too.But if we take the bus,we'll get stuck in the heavy traffic.Taking a subway is better for avoiding that.
A :Oh,OK.I don't want to waste time on the road.How long does it take to get there by subway?
O :I'm not sure...um...about forty minutes...it won’t take long.
A :That's not so bad.
O :Come on,let’s go to the subway station.
-----------------walking----------------------
O :Anna,Do you know the professor Kim?
A :Yes,I know him.Why?
O :He is the host of the party that I'll go next week.
A :Oh,really?
O :Yeah,that's why I ask you to go to shopping today,To buy a suit for party.
A :I see.Everybody else will be dressed up.
O :Yes,right.And I need your advice.Do you think I should take something for the professor?
A :Yeah,you definitely should.It's the professors party!you have to do that.
O:OK.Then what kind of present would be fine.Would it be OK to buy a tie for him?
A :Um...Maybe,Ah!How about flower pot?I've heard that he really like take good care of plants.
O :Oh,does he?That's good idea.
A :Like professor,I have a lot of interest in plants.So I can help you to buy a plants.
O :Thank you so much.I really don't know about the flower and trees.It'll be a big help for me.
A :It is my pleasure to help you.In the Gang-nam station,flower shops are numerous.It'll be easy to find the good plants.
O :That's great.Here comes the subway down for Gang nam.Let's take it.

Dialogue.
O :Anna,I'm really really sorry I'm so late!
A :Why are you so late?I was worried that maybe you'd had（have） an（a） problem.
O :Sorry to worry you,but my dog was sick yesterday(yesterday all day long ).
A :Oh.
O :I'm took her to a hospital,since she looked so sick(去掉so).but her condition was never the(去掉the,加上to be) better.So I have(had) to take care of her all night.
A :Oh my...that's too bad.What happened to her?Is she OK now?
O :she had a problem with intestine,but fortunately she get(gets) better today.
A :I'm so glad to hear that.
O :Thanks you.and...whatever the reason,I'm sorry to have you kept(keep) waiting (加个so增强语气)long.Let me buy you lunch.
A :No,you don't need to do that.I understand.
O :Come on.It's the least I can do.
A :Oh well,if you insist.Anyway you said you want to buy a suit and some stuff.right?
O :Yeah right.
A :Then,how about going to the Gang nam（Nam） station.There are lots of shops and department stores.
O :that's(That's) good idea.let's go!
A :Oh..I don't know how to get there from here.Owen do you know the best way to get there?
O :I think we'd better take the subway to Gang nam.
A :um..subway?What about the bus?
O :We can take a bus,too.But if we take the bus,we'll get stuck in the heavy traffic.Taking a(the) subway is better for avoiding that.
A :Oh,OK.I don't want to waste time on the road.How long does it take to get there by subway?
O :I'm not sure...um...about forty minutes...it won’t take long.
A :That's not so bad.
O :Come on,let’s go to the subway station.
-----------------walking----------------------
O :Anna,Do you know the professor Kim?
A :Yes,I know him.Why?
O :He is the host of the party that I'll go next week.
A :Oh,really?
O :Yeah,that's why I ask you to go to shopping today,To buy a suit for party.
A :I see.Everybody else will be dressed up（加个in）.
O :Yes,right.And I need your advice.Do you think I should take something for the professor?
A :Yeah,you definitely should.It's the professors(professor's) party!you have to do that.
O:OK.Then what kind of present would be fine.Would it be OK to buy a tie for him?
A :Um...Maybe,Ah!How about flower pot?I've heard that he really like take good care of plants.
O :Oh,does he?That's (加个a)good idea.
A :Like professor,I have a lot of interest in plants.So I can help you to buy a plants(plant).
O :Thank you so much.I really don't know about the (去the)flower and trees(the).It'll be a big help for me.
A :It is my pleasure to help you.In the Gang-nam station,flower shops are numerous.It'll be easy to find the good plants.
O :That's great.Here comes the subway down for Gang nam.Let's take it