You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Sarah Young here. I am planning to visit Los Angeles to meet my friend, can you please help me in booking?

ASSISTANT: Please send the airport codes nearest to you.

USER: My airport codes are from IAD to LAX.

ASSISTANT: Please provide your dates of the journey.

USER: My trip dates are from 03/22 till 03/24.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: There is a flight available with Frontier airlines having 1 stop, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, flight number is 1006.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.