You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Allen.

ASSISTANT: How can I help you?

USER: Due to heavy snow fall in our place, I would like to cancel my recent reservation. Can you help me out?

ASSISTANT:  Sure, we are here to help you.Please wait a while.

USER: Ok.

ASSISTANT: Thanks for being waiting. There is no reservation found by this name.

USER: Ok, thanks for your service.

ASSISTANT: Thank you.