You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: Help me to book a flight ticket from Chicago,IL to Philadelphia,PA-PHL.

ASSISTANT: Sure, I can help you for that. May I know your name please?

USER: My name is Stephen Perez.

ASSISTANT: Thank you could you tell me the journey dates please?

USER: I would like to travel on 06/23 and returning on 06/25.

ASSISTANT: Thank you, do you have any other preferences?

USER: I need a flight of price limit 1000. Its connection limit should be 1.

ASSISTANT: OK, can you please wait for a moment, I will check the availability and revert you. Thanks for waiting, I am glad to say you that  we found a flight. The details are as follows, flight number is 1001, with JetBlue airlines and the price is 100 with 1 connection.

USER: OK, you can continue with booking.

ASSISTANT: OK, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you have a great day ahead.