You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from PHX to DCA?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: Thank you, my travel dates are Dec 5th and 7th.

ASSISTANT: Do you have any connection limit?

USER: I am fine with a connecting flight.

ASSISTANT: Is there any other specification?

USER: No, I don't have any.

ASSISTANT: May I know your name?

USER: My name is Gary Edwards.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is United Airlines with price 100 and single connection.

USER: Please proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1008.

USER: Thank you for your prompt service.

ASSISTANT: Thanks for choosing us.