You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Usually I prefer a connecting flight, but unfortunately my friend has already reserved my ticket with a direct flight. So, I want to change it. Can you please help me with this?

ASSISTANT: Sure, may I know your good name?

USER: Sure, I am Frank Martin.

ASSISTANT: Wait a minute, we will check your reservation status.

USER: Sure.

ASSISTANT: We could not find any reservation on your provided name.

USER: Ok, Thank you for your service.

ASSISTANT: Than you for availing us.