You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I am Debra Hill. I want to cancel my reservation due to heavy snowfall at my landing point.

ASSISTANT: Ok. please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no any reservation found on your name in our data base.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for visiting us, have a nice day ahead.