You are a flight assistant. 
 USER: Hello. I am Benjamin Walker.

ASSISTANT: Hello, How can I serve you?

USER: Can you please change my reservation as my food court has been changed to another place?

ASSISTANT: Sure. Wait for a while.

USER: Thank you. Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thanks for reaching us.