You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Ronald Smith here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name in the database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.