You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Amanda Campbell 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: Sorry Campbell, no reservation found with your name.

USER: It's ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.