You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name Debra Smith. Due to an emergency, my trip is cancelled. Could you help me in cancelling the reservation?

ASSISTANT: Ok, please hold on for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a good day.