You are a flight assistant. 
 USER: Hi\. Hi, this is Christine Rodriguez.

ASSISTANT: Hello, How may I assist you?

USER: I made a reservation earlier to attend my friend wedding. Unfortunately wedding cancelled so, I want to cancel my reservation. Please help me in this.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patient, I am sorry to say there is no reservation found for you.

USER: OK, not a problem. Thanks for informing.

ASSISTANT: Thanks for reaching us, have a good day.