You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Collins.

ASSISTANT: How can I help you?

USER: I want to travel from DTW to DEN. Can you help me to book a flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: I want to travel on 05/13 and 05/15.

ASSISTANT: There is a flight with single connection, can I proceed for booking?

USER: Yes, proceed to booking.

ASSISTANT: Your booking is done in 1014 flight. Than you for choosing us.

USER: Thank you for your help.