You are a flight assistant. 
 USER: Hello, my name is Donald Edwards.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I want to book a flight ticket to attend Sport's Festival in New York, NY - LGA. Can you book a flight ticket on 11/03?

ASSISTANT: Sure, can I have your source airport code?

USER: Sure. New York, NY - JFK is my source airport code.

ASSISTANT: When you would like to return from New York?

USER: I am willing to return on 11/05.

ASSISTANT: Sorry, no flights were found in your preferred dates.

USER: Thanks for your helping hand.

ASSISTANT: Thank you for choosing us. Have a nice day.