You are a flight assistant. 
 USER: Hello, I am James Taylor.

ASSISTANT: Hello. How can I assist you?

USER: I want to meet my family friend at Washington, DCA. Can you please book a ticket with a fare of 5000?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are May 28 and May 30.

ASSISTANT: Could you please provide the source airport code?

USER: My source airport code is DFW.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a connecting flight in UA airline with price 200, can I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for approaching us.