You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Larry Smith. I would like to cancel my reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you for accepting my request.

ASSISTANT: Please wait a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.