You are a flight assistant. 
 USER: Hello. I am Ruth Green.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my recent reservation, due to rainfall my tennis match has been cancelled. Can you please help me?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: There was no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.