You are a flight assistant. 
 USER: Hello. This is Susan Mitchell.

ASSISTANT: Hello. How may I aid you Susan Mitchell.

USER: I made a reservation earlier this week to visit my grandmother. But due to heavy snow I want to cancel my reservation. Can you do it for me?

ASSISTANT: Sure. We found that there was no reservation with your name.

USER: OK, not a problem. Thank you for your kind reply and information.

ASSISTANT: Thanks for reaching us.