You are a flight assistant. 
 USER: Hi, I am Jack King. I have planned for a round trip to New York, NY-JFK, can you help me for booking a ticket?

ASSISTANT: Sure. Could you please provide me the dates which you intend to travel?

USER: My travelling dates are from 09/02 to 09/04.

ASSISTANT: OK. Give me a moment to check the availability.

USER: Ok.

ASSISTANT: Much obliged to you for being persistent. I have found a flight that suits needed things. Flight number is 1021, Frontier airlines.

USER: Thanks for the information, You can proceed. Thanks for your help.