You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: I am Lisa Mitchell.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.