You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Carolyn White. Owing an emergency, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Ok, please wait for a while, let me check the status of your reservation.

USER: Sure. I will wait.

ASSISTANT: Thanks for your time, there is no reservation found under your name.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a good day.