You are a flight assistant. 
 USER: Hi. I am Samantha Perez.

ASSISTANT: Hello, how may I support you now?

USER: Can you please help me with changing my reservation as meeting venue got changed to another place?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I check for the reservation in our system data.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.