You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: William Collins here.

ASSISTANT: How can I help you today?

USER: I would like to visit Orlando for my business conference,  can you please help me out with booking a flight ticket to go there?

ASSISTANT: Sure, I am happy to 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 leave on 08/17 and please book my return ticket on 08/19.

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

USER: I want to travel from PHL to MCO.

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: Based on your information, Delta 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, you can proceed with booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1002.

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

ASSISTANT: Thank you for reaching us, have a good day.

USER: Most welcome.