You are a flight assistant. 
 USER: Hi. I am Jerry Martin.

ASSISTANT: Hello, I can help you with your booking related concerns.

USER: I want to change my reservation.

ASSISTANT: Ok, I will help you with that, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, I did not find any reservation on your name.

USER: That's ok.

ASSISTANT: Thank you for connecting with our agency.

USER: Thank you.