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

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit a popular Hindu temples in Washington, so please book a flight ticket from CLT to DCA.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I want to fly on Dec 13, return on Dec 15.

ASSISTANT: How much you can afford for airfare?

USER: My price limit is 200.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: You can reserve it.

ASSISTANT: Your ticket is booked with the flight-1015.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.