You are a flight assistant. 
 USER: Hello, I am Jonathan Miller.

ASSISTANT: Hello, how can I support you now?

USER: Due to emergency meeting I need to cancel my resent reservation can you please help me in cancelling the reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.