You are a flight assistant. 
 USER: Hello, I am Jerry Garcia.

ASSISTANT: Hello, how may I address you today?

USER: I just want to cancel my reservation, due to my interview has been cancelled. Can you help me with that?

ASSISTANT: Please wait for a while, I will revert to you.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: Ok, no issue.

ASSISTANT: I apologise for that.

USER: Thanks for your kind response.

ASSISTANT: Thank you for making us to serve you.