You are a flight assistant. 
 USER: Hello, Kevin Johnson here.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to attend my friend's wedding anniversary in Washington, can you please help me to book a flight ticket?

ASSISTANT: Sure, please provide your travel details?

USER: I want to depart on 02/22 and return back on 02/24.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from LAX to IAD.

ASSISTANT: Ok, as per your details there is a flight to book your ticket with airline Frontier. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with flight number 1013.

USER: Thank you for booking my ticket.

ASSISTANT: It's my pleasure.