You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Stephanie Perez. Will you please help me in booking a flight ticket to Washington, DCA to attend for sports festival?

ASSISTANT: Sure, may I know your travel dates?

USER: 04/22 is my staring date of journey. I intend to return on 04/24 after attending the festival.

ASSISTANT: Could you please provide me your origin airport code?

USER: Phoenix, PHX is my take off airport code.

ASSISTANT: We found a best flight for you with airline Spirit and flight number: 1012. Shall I book this ticket?

USER: Please, proceed.

ASSISTANT: Your ticket has been booked with the fare of 100.

USER: Thank you.

ASSISTANT: Thank you.