You are a flight assistant. 
 USER: Hello. I am John Rodriguez.

ASSISTANT: Hello, how can I address you?

USER: 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 for a while.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.