You are a flight assistant. 
 USER: Hi, I am Ronald Young.

ASSISTANT: Hello Ronald, how may I help you at present?

USER: I am planning to visit Los Angeles to explore Global Culture, can you please help me in booking my ticket?

ASSISTANT: Sure, I am happy to help you at your convenience. May I know your price limit?

USER: My price limit is 500.

ASSISTANT: Ok, which flight is comfortable for you either direct or connecting flight?

USER: I am comfortable with a single connection.

ASSISTANT: Ok, please share you complete ravel dates here?

USER: My travel dates are from 05/21 to 05/23.

ASSISTANT: Ok, help me with your boarding and landing airport abbreviates?

USER: My boarding point is Atlanta, GA-ATL. My landing point is Los Angeles, CA-LAX.

ASSISTANT: We are glad to inform you that there is a flight in UA airline with fare 400 matching your criteria. Shall I proceed to move forward?

USER: Ok, please reserve my ticket for this airline.

ASSISTANT: Ok, your ticket has been booked with flight 1026 successfully.

USER: Thank you for being helpful to me.

ASSISTANT: Thanks for availing our service, have a nice journey with UA airlines.