You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, by what way may I amend you now?

USER: David Davis here, I would like to change my existing reservation due to heavy storm at my place so I am not able to travel now.

ASSISTANT: Ok.

USER: Could you please help me out?

ASSISTANT: Sure, please standby.

USER: Sure.

ASSISTANT: Thanks for being patience. We found a reservation on your name. For this may I have your new journey details?

USER: Sure, my new journey dates will be 08/09 and 08/11.

ASSISTANT: Ok.

USER: I will take off from New York, NY - JFK and land on Austin, TX - AUS. Please filter with the direct flights.

ASSISTANT: Sorry, we found a connecting flight with your name.

USER: Ok, then don't proceed.

ASSISTANT: Thank you for opting us.

USER: Thank you for your time.

ASSISTANT: Have a great day.