You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assess you?

USER: Mark Moore here.

ASSISTANT: Nice to meet you Mark.

USER: I was made a reservation to Atlanta for attending a Football match, earlier in this week. But I am not able to go there because of the health issue. Can you please help me to cancel my reservation?

ASSISTANT: Sure, I am glad to help you. Please wait for a while.

USER: Ok, take your time.

ASSISTANT: As per your request, there is no reservation found on your name to cancel you booking.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for using our service. Have a nice day.