You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am planning to Institute of Chicago with my friends, can you help me with  booking from PHL to ORD?

ASSISTANT: Sure, can I have your travel  dates please?

USER: My travel dates are Jan 12 and Jan 14.

ASSISTANT: Ok, please let me know your  preferable timings of your journey.

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a break in between my journey.

ASSISTANT: Can I have your good name please?

USER: I am Gary Hall.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket  fare is 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great  journey.