You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation due to heavy snowfall at my destination place, so please help me.

ASSISTANT: Sure, I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Ok, please provide your name to proceed further.

USER: Sure, I am Benjamin Harris.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, There was no reservation found on your given name.

USER: No worries, thank you for your effort.

ASSISTANT: Thank you for choosing us.