You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Harris here.

ASSISTANT: In which way I can help you at this moment?

USER: I need your help in booking of a flight ticket from ORD to IAD for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I can help you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: Thank you. I am planning to move on 10/12 and please book my return ticket on 10/14.

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

USER: Ok, take your time.

ASSISTANT: Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I proceed with this?

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

ASSISTANT: Your flight ticket is booked successfully, flight number is 1029.

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

ASSISTANT: You are welcome.