You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Jackson here.

ASSISTANT: How can I aid you today?

USER: I would like to visit Philadelphia for a business meeting, can you please help me out with booking of a fight ticket to go there?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Thank you. I am planning to leave on 09/17 and please book my return ticket on 09/19.

ASSISTANT: May I know your preferable airport code names?

USER: Sure, I will prefer PHX and PHL as my origin and destination airport codes respectively.

ASSISTANT: Please wait 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 100 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, fight number is 1015.

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

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

USER: Welcome.