You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Justin Walker here.

ASSISTANT: How can I help you at this moment?

USER: I would like to attend a business conference in Los Angels. can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. May I know your preferable airport code names?

USER: Thank you. I want to travel from EWR to LAX.

ASSISTANT: Could you please mention your travel dates for booking flight ticket?

USER: I am planning to move on 08/14 and please book my return ticket on 08/16.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route. Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: That's fine for me, you can proceed with booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1003.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Welcome.