You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Edwards here.

ASSISTANT: How can I assist you today?

USER: I need your help in booking of a flight ticket between PHL and IAD, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Ok, I am planning to move on 12/11 and please book my return ticket on 12/13.

ASSISTANT: Please give me a moment.

USER: Take your time but try to bring a best flight in my route.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available.

USER: That's perfect, I am ok with this, you can proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1028 and the airline is Southwest.

USER: Thank you for your help in booking of my ticket, have a nice day.

ASSISTANT: Welcome, have a great day.