You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, when do you want to travel?

USER: Thank you, my boarding is on Sept 26 and please book my return ticket on Sept 28.

ASSISTANT: Ok, May I know your connection limit?

USER: I would prefer single connection.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1026 Delta Airlines with a fare of 100. Can I proceed for booking?

USER: That's fine, you can proceed with booking.

ASSISTANT: Ok, May I know your name?

USER: Sure, my name is Larry Hill.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.