You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Donald Lee. Due to weather problems I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I am here to help you. Please wait a minute I will get back to you.

USER: Sure.

ASSISTANT: Thanks for your time, sorry to say no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for your information.