You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Justin Lopez. Can you please find a flight from Chicago for a round trip?

ASSISTANT: Ok, may I know your trip dates to go?

USER: Thank you. My trip dates are Apr 28 and Apr 30.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: I have a preference related to number of connection that is 1.

ASSISTANT: Ok, let me know your airport codes too.

USER: The source and destination airport codes are same that is ORD.

ASSISTANT: There is a connecting flight-1005 with price 200, is it ok for you?

USER: Yes, I am fine with this flight. Please proceed with the ticket booking.

ASSISTANT: Ok, booking is done on Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Welcome, have a good day.