You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book a flight ticket from ATL to DTW?

ASSISTANT: Sure, let me know your travel dates please?

USER: Thank you. I have planned my travel dates  as Apr 11 and Apr 13.

ASSISTANT: Ok, is there any class preference?

USER: No, I am ok with any class to travel.

ASSISTANT: May I know your connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Do you need any airline preference?

USER: No, I am not specific about any airlines.

ASSISTANT: Do you have any time concern?

USER: No, I am very much comfortable to travel in any time.

ASSISTANT: Can I know your name please?

USER: Sure, myself James Adams.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 11:00 hours, arrival time is 15:00 hours, Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been confirmed by flight number 1001 and an economy class.

USER: Most welcome.

ASSISTANT: Thanks for choosing us.

USER: Most welcome.