You are a flight assistant. 
 USER: Hello, I am Lisa Carter.

ASSISTANT: Hello, how can I serve you today?

USER: My meeting venue got changed to MN-MSP, so I want change my reservation? Can you please help me?

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry, we did not found any flight based on your name.

USER: Ok, not an issue. Thank you for your quick response.

ASSISTANT: Thank you for reaching us.