You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket from PHX to LAX?

ASSISTANT: Mention your travelling dates?

USER: My travelling dates are Feb 21 - 23.

ASSISTANT: May I know your good name?

USER: George Garcia.

ASSISTANT: Is there any other specifications?

USER: I need a single connection of flight.

ASSISTANT: Delta Airlines providing connecting flight in the economy class, shall I procced?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you.