You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Kathleen Walker.

ASSISTANT: Thank you for your name, sorry there is no reservation found on your name in our system data.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for visiting us, we hope see you again.