You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Benjamin Thompson. I want to cancel my reservation, due to my interview got postponed.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patient, we are sorry to inform you that there was no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.