You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Donald Hill. I am looking for a flight from DFW to DCA, can you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned travel dates are Dec 06 and Dec 08.

ASSISTANT: At what time do you like to travel?

USER: I would like to return my journey for the afternoon flight.

ASSISTANT: Do you have any specification?

USER: Please look for a connecting flight.

ASSISTANT: We found a economy flight on your details with Hawaiian Airlines, flight number: 1022. Shall I book this ticket?

USER: That's fine, please proceed in booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the service.

ASSISTANT: Thank you.