You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Johnson.

ASSISTANT: How can I support you?

USER: Due to heavy rains in my visiting place, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while. I will check and revert you.

USER: Sure, I will wait for your information.

ASSISTANT: Thanks for waiting, we did not find any active reservation on your name in our records.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for availing us.