You are a flight assistant. 
 USER: Hello. I am Amy King.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my reservation due to my destination has getting Sunny environment, and I am unable to stay there. So, can you please help me with that?

ASSISTANT: Sure, give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, I didn't found any reservation basis on your details.

USER: May be it's my fault. Sorry for wasting of your valuable time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.