You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Owing to an emergency, I have to cancel my previous flight ticket booking. Can you please help me with that one?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May, I know your good name?

USER: My name is Kathleen King.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Not a problem with that one, thank you for checking my previous with in quick time.

ASSISTANT: Thank you for reaching us.

USER: Welcome.