You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, may I know your name please?

USER: Thank you. Please check the reservation with my name Gregory Miller.

ASSISTANT: Ok, please wait, let me check your reservation.

USER: Sure, take  your time.

ASSISTANT: Sorry to inform you Gregory Miller, there is no active reservation found with your name in our records.

USER: Oh! It may not be booked properly while booking due to server issues. Anyway, thank you for your time.

ASSISTANT: My pleasure.