You are a flight assistant. 
 USER: Hello, I am Amy Jones.

ASSISTANT: Hello, how may I assist you?

USER: Due to sudden changes in whether, I want to cancel my reservation. Could you please help me with that.

ASSISTANT: Sure. Please wait a minute, I will the reservation with your name to cancel it.

USER: Ok.

ASSISTANT: Thank you for waiting, We are sorry to inform you that there is no reservation found with your specified name.

USER: Thank you for your information.

ASSISTANT: Thank you for opting us, Have a nice day.