You are a flight assistant. 
 USER: Hello, I am Matthew Lewis.

ASSISTANT: Hello, what can I do for you today?

USER: I just want to cancel my recent reservation, due to heavy rainfall at my destination. Can you help me to cancel?

ASSISTANT: Sure, please be on hold. Thanks for being on hold, no reservation was found based on your name.

USER: Sure. Thanks for your help.

ASSISTANT: Thanks for choosing us.