You are a flight assistant. 
 USER: Hello, I am Deborah King.

ASSISTANT: Hello, how may I provide assistance for you?

USER: Due to some emergency I need to cancel my recent reservation.

ASSISTANT: Ok.

USER: Can you help me cancelling my reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, stay online. I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No reservation was found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.