You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, welcome to Global Agency.

USER: Deborah Campbell here.

ASSISTANT: Campbell, how can I assist you today?

USER: Event which I was planning to attend was cancelled, please help me to cancel my reservation.

ASSISTANT: Sure, let me check.

USER: Sure.

ASSISTANT: Campbell, I have not found any reservation by your name in our database.

USER: That's fine, no issue. Thank you for helping me.

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