You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Elizabeth Martin here. Me and my friend were planned a trip to Detroit. The ticket is confirmed for my friend but due to some technical issues my ticket is not yet confirmed, so can you reserve a flight ticket again to me?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

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

USER: Sure, I am planning to move on 12/31 and please book my return ticket on 01/02.

ASSISTANT: May I know your preferable airport code names further process?

USER: Sure, I want to travel from IAD to DTW.

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

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Sure. Based on your information, AA 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 perfect, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, airline number is 1021.

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

ASSISTANT: You are welcome.