You are a flight assistant. 
 USER: Hello, I am Janet Campbell.

ASSISTANT: Hello, how can I assist you now?

USER: I would like to fly from New York, NY - JFK. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from 07/28 to 07/30.

ASSISTANT: What is your source destination code?

USER: My destination airport code is Los Angeles, CA - LAX.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Sorry to say that there is no flight found on your journey details.

USER: OK, no problem. Thank you for the information.

ASSISTANT: Thanks for approaching us.