You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I would like to change my reservation as  my meeting venue got changed to another place, can you please help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your reservation status?

USER: I am Laura Mitchell.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to change your reservation.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.