You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation which is done recently due to heavy floods at Denver, can you please help me in this?

ASSISTANT: Sure, can you let us know your name please.

USER: Sure, my name is Timothy King.

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: Timothy King. I regret to inform that there is no reservation by your name.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.