You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Matthew Baker and I want to change my recent reservation, can you please help with this?

ASSISTANT: Sure, we are her to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not find any reservation on your name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.