You are a flight assistant. 
 USER: Hello, Ruth Walker here.

ASSISTANT: Hello, how can I aid you?

USER: I made a reservation earlier this week to attend my friend marriage. Unfortunately marriage got cancelled. So I want to cancel my reservation.

ASSISTANT: Ok.

USER: Can you help me in that?

ASSISTANT: Sure. Please wait a moment I will check and let you let you know.

USER: OK.

ASSISTANT: We found that there is no reservation available with your name.

USER: Ok, not a problem. Thanks for your reply and information.

ASSISTANT: Thank you for opting us.