You are a flight assistant. 
 USER: Hello. Frank Adams here.

ASSISTANT: Hello, how may I guide you?

USER: Due to some reason, I am unable to travel. Please cancel my reservation.

ASSISTANT: Sure, please give me a moment to check.

USER: Sure.

ASSISTANT: Sorry Frank, there is no reservation found on your name.

USER: It's ok. Anyway, thank you.

ASSISTANT: Most welcome.