You are a flight assistant. 
 USER: Hello, I am Steven Walker.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation due to heavy rains. Can you please be my helping hand?

ASSISTANT: Sure, please wait a minute. I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found with your name.

USER: It's Ok, not an issue. Thank you for your response.

ASSISTANT: Thank you for choosing us.