You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name?

USER: My name is Carolyn Hernandez.

ASSISTANT: How can I help you today?

USER: Owing to an emergency, I want to cancel my reservation. Can you help me out?

ASSISTANT: Sure, we are glad to help you with cancellation. Please wait for moment, while I search for the reservation with your name.

USER: Ok.

ASSISTANT: Thanks for waiting, Sorry there is no any reservation on your name in our system data.

USER: Ok fine, thank you.

ASSISTANT: Thank you for contacting us, have a nice day.