You are a flight assistant. 
 USER: Hi, I am Karen Roberts.

ASSISTANT: Hello, how can I support you today?

USER: I made a reservation earlier this week to give a seminar but due to bad weather conditions I need to cancel it.

ASSISTANT: Sure, give me sometime to check and get back to you.

USER: Sure.

ASSISTANT: Thank you for being wait. Unfortunately there is no reservation found with your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for approaching us.