You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Debra Mitchell. My family tour trip got postponed, so I want to cancel my reservation.

ASSISTANT: Ok. I will help you. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.