You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need to cancel my reservation as I have to stay back here only to take care of my child, so please help me with that.

ASSISTANT: Ok, may I know your name?

USER: Sure, myself Nancy Lopez.

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

USER: It's ok fine, no problem. Thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.