You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: Please book a ticket from Washington DC-DCA to New York, NY-JFK, for flower festival. I am Rachel Carter.

ASSISTANT: Sure, help me with your travelling dates?

USER: Departure is by 01/28 and returning will be 01/30.

ASSISTANT: Ok, any price limit?

USER: Price limit is 5000.

ASSISTANT: Ok, flight- 1015, airline- Spirit, price- 400 with a connection matches your requested details. Shall I proceed?

USER: Please book flight.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks.

ASSISTANT: Thanks for choosing us.