You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER:  I am Carol Jones want to cancel my reservation owing an emergency.

ASSISTANT: Sure, may I know your name to check for the previous reservation? Let me check for the previous reservation.

USER: Ok.

ASSISTANT: Carol, there is no reservation found under your name.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.