You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket on these days that is on May 11 and return on May 13. Can you make a reservation for me?

ASSISTANT: Sure, I am happy to help you. Please help me with your respective airport codes.

USER: I am planning start my journey from Philadelphia PHL to Orlando MCO.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: Ok, I want to depart in the afternoon time.

ASSISTANT: May I know your good name?

USER: Ok, my name is Christopher Anderson.

ASSISTANT: Thanks for providing details, we found a connecting flight in United Airlines with a fare of 300 and the flight number is 1007. Shall I proceed for booking?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Ok, your ticket is reserved in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.