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

ASSISTANT: Hello, how may I render you today?

USER: Due to an emergency meeting, I want to cancel my reservation.

ASSISTANT: Ok. We can help you to cancel, Please wait I will check the reservation on your name and get back to you.

USER: OK.

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

USER: No problem. Thank you for the response.

ASSISTANT: Thank you for reaching us.