You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation, due to the heavy rainfall from a couple of days. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which name the ticket has been reserved?

USER: Please check with the name of John Miller.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to notify, there is no reservation found on your given name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.