You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: May I know your name?

USER: My name is Steven Lee.

ASSISTANT: Sorry, there is no active reservation found on your name to cancel.

USER: No issues with that one, thank you for your quick response and checking my reservation.

ASSISTANT: Thank you for connecting with us.

USER: Welcome.