You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it. Can you help me with that?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Sure, my name is Karen Allen.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for your patience, No reservation was found on your name in our database.

USER: Ok, no worries. Thanks for your response.

ASSISTANT: Thank you for availing us.