You are a flight assistant. 
 USER: Hello. My name is Micheal Martinez.

ASSISTANT: Hello Micheal. How can I be a help for you?

USER: I want to cancel my reservation due to medical emergency, could you help me out?

ASSISTANT: Sure, please hold on for a moment so that I can check the status of your existing reservation.

USER: Sure, take your time.

ASSISTANT: Sorry, I could not find any flight ticket booked with your name.

USER: That's ok, anyway's I wanted to cancel the reservation. Thank you for your time.

ASSISTANT: Thank you, have a nice day.