You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Please cancel my ticket on the name of Steven Lewis, due to heavy rains at my destination place.

ASSISTANT: Sure. Please wait for a few minutes, I will check with the reservation list and revert to you.

USER: Sure.

ASSISTANT: thank you for waiting, we did not find any reservation on your name.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for availing us.