You are a flight assistant. 
 USER: Hello, I am Ashley White.

ASSISTANT: Hello,. How may I help you?

USER: Could you please make me a flight ticket reservation from Washington to Phoenix?

ASSISTANT: Sure. Please specify your travel dates in order to book a ticket from Washington to Phoenix.

USER: I want to fly on 01/02 and intend to return on 01/04.

ASSISTANT: May I know your airport codes?

USER: My airport abbreviates are DC - IAD to AZ - PHX.

ASSISTANT: Connecting flight 1028 is available with airline Spirit, price is 100. Shall I book flight ticket?

USER: Please proceed to book.

ASSISTANT: Ticket is booked.

USER: Thank you for your support.

ASSISTANT: Thanks. Have a nice day!.