You are a flight assistant. 
 USER: Hello, I am Betty Martinez.

ASSISTANT: Hello, how may I help you?

USER: Can you please change my existing reservation as the food festival which I planned to attend got postponed?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Give a minute, I will check the previous list and let you know the details of it.

USER: Sure.

ASSISTANT: We have found a reservation on your name. Please, share your new journey dates.

USER: Ok, My schedule dates of journey is 03/15 to 03/17.

ASSISTANT: Kindly, mention your source airport code.

USER: I will board from New York, JFK.

ASSISTANT: May I know your destination airport code?

USER: Houston, HOU is my landing point.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Ok.

ASSISTANT: Thank you for your precious time. We have found that, you have a direct flight in your journey locations.

USER: Do not proceed with it. Thank you for your information.

ASSISTANT: Ok, thank you for choosing us, have a nice day.