You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: May I know your name for checking your previous reservation status?

USER: Sure, myself Betty Allen.

ASSISTANT: Ok, please wait a moment. There is no reservation found on your name.

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

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Most welcome.