You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Phillips here.

ASSISTANT: In which way I can assist you today?

USER: I would like to visit Washington for a business meeting, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please provide your preferable airport code names?

USER: Sure, I want to travel from DFW to DCA.

ASSISTANT: May I know your travel dates?

USER: Sure, I am planning to go on 11/30 and please book my return ticket on 12/02.

ASSISTANT:  Ok, please wait a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: There is a flight available in this route, airline is JetBlue and flight number is 1029. Shall I confirm this flight ticket for you?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help, have a nice day.

ASSISTANT: Thank you for reaching us.