You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I need you to book a flight ticket. Please assist me with this need.

ASSISTANT: May I know your airport codes please?

USER: PHX and DCA are my journey airport codes.

ASSISTANT: May I know your journey dates?

USER: June 26 and 28 are my planned journey dates.

ASSISTANT: May I know your name?

USER: My name is Gary White.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Flight-1006 is available for you with 1 connection. Can I book it for you?

USER: Yes, you can.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a safe journey.