You are a flight assistant. 
 USER: Hello, I am Thomas Brown.

ASSISTANT: Hello, how can I render you?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me in this?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for holding on, there is no reservation found in your name.

USER: It's alright not an issue. Thank you for your information.

ASSISTANT: Thanks for contacting us, hope to serve you again.