You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Mitchell.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket to New York, assist me in finding a flight from Washington DC-IAD.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can you please provide your  landing  airport code?

USER: My landing airport code is NY-JFK.

ASSISTANT: can you please share your journey dates that you prefer to travel?

USER: I have planned to travel from 06/14 to 06/16.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT: We found a South West airline, flight number:1023 and the price is 200.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.