You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: I am John Walker. I would like to fly from Washington, DC to New York, NY.Can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please share your planned journey dates?

USER: My planned journey dates are Feb 24th and Feb 26th.

ASSISTANT: Which class would you prefer for your journey?

USER: I am comfortable with any flight.

ASSISTANT: Let me know the airport codes of your source and destination.

USER: My airport codes are from DCA to EWR.

ASSISTANT: Do you have any other requirements?

USER: I can spend upto 1000.

ASSISTANT: Thank you for sharing the details, wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a direct flight of UA airline that running on your route with fare 100 in economy class. Shall I reserve this flight for your journey?

USER: You can reserve it.

ASSISTANT: Your reservation has been confirmed with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for opting us.