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 rains at my destination place, will you assist me in cancellation?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is James Walker.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: No issues, thanks for your service.

ASSISTANT: Thank you for opting us.