You are a flight assistant. 
 USER: Hello, I am Jonathan Robinson.

ASSISTANT: Hello, how can I serve you?

USER: Could you help me in booking a ticket with the single connecting flight?

ASSISTANT: Sure. May I know your boarding and landing point airport codes?

USER: I want to fly from Denver, CO - DEN. I would like to return from New York, NY - JFK.

ASSISTANT: Do you have price limit?

USER: I can afford up to 5000.

ASSISTANT: Help me with your trip dates to proceed further.

USER: My planned trip dates are from 11/15 to 11/17.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patience, there is a flight found with UA airline , flight number 1009. Fare 100 and a lay by.

USER: Please proceed to book.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.