You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Mitchell.

ASSISTANT: How can I assist you?

USER: Due to heavy rainfall at my place, I could not attend my friend's marriage.So I would like to cancel my recent reservation. Could you please help me?

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.