You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I am John Phillips. I made a reservation earlier for a direct flight, now I want to change it for a connecting flight. Can you help me with that?

ASSISTANT: Sure. There is no reservation found with your name.

USER: Ok, not a problem.

ASSISTANT: Ok, Thanks for reaching us.

USER: Thanks for your time.