You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I need to cancel my reservation as I am not able to make my trip. Can you help me with that?

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: Thank you for considering my request. I am Betty Edwards.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for visiting us, we hope see you again.