You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Please book a ticket from New York, NY-LGA to Washington DC-DCA.

ASSISTANT: Sure, may I know your travelling dates please?

USER: Departure is by 06/10 and 06/12 is return.

ASSISTANT: How much you can pay for this ticket?

USER: Price limit 500.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1003 and airline Frontier at a price of 100 with 1 connection.

USER: Please book a flight.

ASSISTANT: Sure, your booking is done.

USER: Thanks.

ASSISTANT: May I know your name please?

USER: I am Jason Anderson.

ASSISTANT: Thank you for reaching us, have a nice day.