You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I need your help in cancelling my recent booking. Please help me.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, my name is Samuel Mitchell.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name in the database.

USER: That's ok. Thank you.

ASSISTANT: Thank you for opting us.