You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please reserve a flight ticket from DTW to IAH for my business trip?

ASSISTANT: May I know your trip dates?

USER: Thank you, my departure is on Oct 12 and please book my return ticket also on Oct 14.

ASSISTANT: Do you prefer any connections?

USER: I need a flight with single connection.

ASSISTANT: May I know your requirements?

USER: No, I don't have any other requirements.

ASSISTANT: Ok. There is a connected flight  AA airlines with the fare 100.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: May I know your name?

USER: Sure, my name is Thomas White.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: Welcome.