You are a flight assistant. 
 USER: Hello. I am Amy Scott.

ASSISTANT: Hello, how may I guide you now?

USER: Due to heavy snow fall at the source point, I would like to cancel my recent reservation. Could you please be my helping hand?

ASSISTANT: Ok, I will help you.

USER: Thank you.

ASSISTANT: Sorry, we did not find any reservation on your name.

USER: Ok, no worries.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your prompt service.