You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: My name is Alexander Smith. Please book a ticket from New York, NY-JFK to Washington DC-DCA.

ASSISTANT: Sure, may I know your travel dates?

USER: Departure is on 12/15 and returning by 12/17.

ASSISTANT: Do you have connection limit?

USER: Yes, connections limit is 1.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1003. Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Your ticket has been booked.

USER: Please provide ticket price?

ASSISTANT: The ticket price is 200.

USER: Thanks.

ASSISTANT: Thank you so much.