You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to on going tornado at my source point. Can you help me in doing that?

ASSISTANT: Could you please share your name?

USER: Sure, I am Thomas Phillips.

ASSISTANT: Thank you for providing your name. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found based on your given name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.