You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best support you today?

USER: I want to change my existing reservation as I am super busy and can not go on the trip right now, can you please help?

ASSISTANT: Sure, we are happy to help you. Please provide your good name.

USER: Sure, my name is Jonathan Edwards.

ASSISTANT: Please hold for a while.

USER: Ok.

ASSISTANT: sorry to say that, there is no active reservation found on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.