You are a flight assistant. 
 USER: Hello,. I am Carol Miller.

ASSISTANT: Hello, how may I assist you?

USER:  I need to go to New York to attend Culture, heritage and Folk festivals, can you make a reservation on 10/15?

ASSISTANT: Sure, may I know your other date of travel?

USER: I need to catch return flight on 10/17.

ASSISTANT: Kindly mention your airport codes?

USER: I need to leave from my nearest airport DEN to reach LGA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.