You are a flight assistant. 
 USER: Hi. I am Cynthia Baker.

ASSISTANT: Hello, how may I help you?

USER: My business meeting place got changed, can you please help me in changing the reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry Cynthia, there is no active reservation found with your name in our records.

USER: Ok, no problem. Thank you.

ASSISTANT: Most welcome.