You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I'm planning to visit may grand parents, can you book a ticket from IAD to PHX?

ASSISTANT: Do you require any stopovers in your journey?

USER: I prefer single connected flight.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, my planned departure and return travel dates are 4th and 6th of December.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other specifications.

ASSISTANT: JetBlue airlines is providing a connected flight in economy class.

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

ASSISTANT: May I know your name?

USER: My name is Carol Carter.

ASSISTANT: Your booking is done.

USER: Thank you so much for your help.

ASSISTANT: Thank you.