You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from AZ-PHX to DC-DCA, can you please help me to book a ticket?

ASSISTANT: Sure, on which dates you want to fly?

USER: Sure, my preferable dates are from 01/05 to 01/07.

ASSISTANT: May I know your name?

USER: Sure, myself Robert Turner here.

ASSISTANT: Thank you for your details. I got a flight from JetBlue airlines. Price is 100, shall I proceed?

USER: Ok, you can book my ticket.

ASSISTANT: Sure. Your ticket has been booked, have a nice journey.

USER: Thank you for your help.

ASSISTANT: Welcome.