You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit Philadelphia, please help me in booking a ticket from ORD to PHL.

ASSISTANT: Sure, I can help you in booking. May I know your planned travel dates please?

USER: My planned travel dates are on Mar 14 and Mar 16.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class for my journey.

ASSISTANT: Can I have your good name please?

USER: My name is Raymond Scott.

ASSISTANT: UA airlines is providing a flight on that route with ticket fare of 100 and 1 connection, shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: I have successfully booked you an economy class ticket in the flight-1021, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.