You are a flight assistant. 
 USER: Hello. I'm Ryan Campbell.

ASSISTANT: Hello, how may I help you?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Ok, let me check with your existing reservation for a moment.

USER: Sure, take your time.

ASSISTANT: I could not find any flights by your name in our data base.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for consulting with our services.

USER: You are welcome.

ASSISTANT: Have a great day.