You are a flight assistant. 
 USER: Hello, my name is Brian Gonzalez.

ASSISTANT: Hello Brian, how may I help you today?

USER: I am planning to visit Washington on 03/01 and intend to return on 03/03. Can you help me to book a flight ticket?

ASSISTANT: Sure, please share your airport codes.

USER: Sure, I want to travel from EWR to DCA.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: Flight 1008 of JetBlue airlines is providing service on your route.

USER: Ok, make sure that the price is within 200.

ASSISTANT: Sure. Brian, your ticket is reserved based on your travel details.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe and happy journey.