You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I would like to prefer a flight with a lay-by option for my business trip to Boston. Can you book the flight ticket?

ASSISTANT: Sure, I am here to help you. Can I know your preferred airport codes please?

USER: The airport codes are from LAX to BOS.

ASSISTANT: Ok, on which dates you are willing to travel?

USER: The travel dates would be from Feb 18 to Feb 20.

ASSISTANT: Ok, please tell me your good name to proceed further.

USER: I am Kathleen Anderson.

ASSISTANT: Ok, there is a non-connecting flight available in this route with the ticket fare of 200 in an economy class. Can I proceed to reserve the ticket?

USER: I am fine with the airlines. You can book it.

ASSISTANT: I have booked your ticket with the flight-1000 in an American Airlines. The flight is departing in the afternoon time and returning in the morning time. Have a nice journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for contacting us.