You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: Jessica Robert here. I have to cancel my reservation which I have done earlier to participate in dance programme but unfortunately I have stay back here to take care of my injured friend.

ASSISTANT: That's so sad. Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no previous reservation done with your name to cancel.

USER: It's ok, no issues. Thank you for your service.

ASSISTANT: Thank you, have a nice day.