You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My trip was postponed and I want to change my reservation, can you help me?

ASSISTANT: Sure, may I know the full details of journey?

USER: I want book a ticket from DFW to DCA.

ASSISTANT: May I know your dates?

USER: My travel dates are 12/13 and 12/15.

ASSISTANT: May I know your name?

USER: I want to book a ticket in the name of Daniel Rodriguez.

ASSISTANT: There is a flight with number 1016 and airline is Hawaiian.

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Have a safe trip.