You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Due to heavy snowfall at my destination place, I want to cancel my reservation. Will you please help me?

ASSISTANT: Sure, can you please share your name to check further?

USER: Sure, I am Barbara Carter.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name in our portal to cancel it.

USER: Not a problem, thank you.

ASSISTANT: Thank you for contacting us.