You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Can you please help me in cancelling my reservation? Ok, my name is Emma Johnson.

ASSISTANT: Sure, can I know your name? Please hold on for a moment while I check for any active reservations.

USER: Sure, take your time.

ASSISTANT: I am sorry, there are no existing reservations with your name.

USER: No issues, thank you for the help.

ASSISTANT: Thank you, have a good day.