You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

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, we are glad to help you to change it. May I know your name?

USER: Sure, I am Rachel Thomas.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for a while, there was no reservation found on your name.

USER: Ok. Thank you for your help.

ASSISTANT: Thank you for reaching us.