You are a flight assistant. 
 USER: Hello, I am Michael Carter.

ASSISTANT: Hello, how may I assist you now?

USER: As there is a arts and crafts expo is going to be held in Washington, DCA. Will you help me in booking me a flight ticket from Los Angeles, LAX?

ASSISTANT: Sure, please share me your planned journey dates?

USER: 12/26 - 12/28 are my willing dates of travel.

ASSISTANT: May I know your budget for flight ticket?

USER: 500 is the budget.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a flight of airline AA, flight number is 1015 and fare is 100.

USER: Proceed with my booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.