You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I'm Samuel Anderson. My business meeting has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

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

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are welcome.