You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I would like to change my recent reservation, will you help me with that?

ASSISTANT: Sure, will you please let me know your name?

USER: Thank you for accepting my request, myself Benjamin Walker.

ASSISTANT: Ok, let me check the reservation status and revert you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our data base.

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

ASSISTANT: Thank you for opting us.