You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Sharon Garcia. I want to change my existing reservation, due to heavy rainfall in New York, so I want to change my destination airport. Will you help me?

ASSISTANT: Sure, please hold on a moment.

USER: Ok.

ASSISTANT: Garcia, no reservation has been found on your name in our database.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for choosing us.