You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephen Thomas here.

ASSISTANT: How can I aid you today?

USER: I would like to visit Washington for a business conference, can you please help me out with booking of a flight ticket from New York on 07/14?

ASSISTANT: Sure, I can aid you with that.

USER: Thank you.

ASSISTANT: Could you please mention your preferable airport code names for booking flight ticket?

USER: Sure, my nearest genesis airport code is LGA and my destination airport code is DCA.

ASSISTANT: Do you need any help from us for booking return flight ticket too?

USER: Yes, please book my return ticket on 07/16.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Based on your information, Frontier 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: Well, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1027.

USER: Thank you for your help in booking of my ticket, you have done a great job.

ASSISTANT: You are welcome.