You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I need your small help in cancelling my reservation as I cannot travel because I have to prepare for my exam, can you please do that for me?

ASSISTANT: Ok, can you provide me your name to check with your previous reservation status?

USER: My name is John Parker.

ASSISTANT: Give me a minute to check.

USER: Sure.

ASSISTANT: John Parker, I could not fine any active reservation under your name.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Sorry for the inconvenience, have a great day.