You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Jonathan Thompson here.

ASSISTANT: Nice to meet you, Thompson.

USER: I have to cancel my reservation, which I have done earlier to participate in dance program, but unfortunately I have stayed back here to take care of my injured friend.

ASSISTANT: Great, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Thompson, there is no reservation found on your name to cancel your reservation.

USER: It's ok, not an issue.

ASSISTANT: Thank you for your information.

USER: Thank you for checking.

ASSISTANT: You are welcome.