You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nancy Taylor, want to travel from DEN to DCA.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 12/14 to 12/16.

ASSISTANT: There is a flight for you with 1 connection. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.