You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you at this moment?

USER: Owing to an emergency business meeting, I need to stay back in my place. Can you please help me in cancelling the reservation?

ASSISTANT: Sure, may I know on which name the ticket has been reserved?

USER: I am Stephanie Perez.

ASSISTANT: OK, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, to say that there is no reservation found on your name.

USER: Ok, no issues. Thank you for your quick response.

ASSISTANT: Thank you for choosing us.