You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I have planned an event with my friends but suddenly it got cancelled so please help me with cancelling my reservation.

ASSISTANT: Sure, I am gleeful to help you. Can you please provide your name to check your previous reservation?

USER: Sure, myself Daniel Campbell.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: We regret that, there is no reservation found with your name in our records.

USER: It's ok fine, it might be cancelled already.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your time.