You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, please wait for a couple of minutes.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there was no reservation found on your name to change it.

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

ASSISTANT: Thank you for choosing us.