You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to cancel my recent reservation. Can you please help me with this?

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

USER: Myself Justine Wilson.

ASSISTANT: Ok, please wait.

USER: Sure.

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

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

ASSISTANT: Thank you for opting us.