You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation status on your name.

USER: Sure, my name is Robert Allen.

ASSISTANT: Sorry Allen, there is no active reservation on your name in our database.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.