You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to heavy rainfall at my source point. Can you help me with that?

ASSISTANT: Sure, may I know your good name please?

USER: I am Ruth Thomas.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.