You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at present?

USER: I am Alexander Nelson. I want to cancel my recent reservation due to bad weather condition, can you help me in cancel reservation?

ASSISTANT: Sure, we are glad to help you with cancellation. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your specified name.

USER: Not an issue, thank you for your help.

ASSISTANT: Thank you for choosing our service.