You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself  Steven Hill.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket to attend my seminar in CO -DEN.

ASSISTANT: Sure, can you provide me your airport codes.

USER: My airport codes from CA - OAK to CO - DEN.

ASSISTANT: Can you provide me your travel dates?

USER: My travelling dates from 06/15 to 06/17. Make sure that connection limit is 1 and price limit is 5000.

ASSISTANT: I have found a flight for you with the flight number 1020 and airline is Southwest.

USER: Ok.

ASSISTANT: This flight is with 1 connection and the price limit is 100. Shall I proceed with the booking?

USER: Ok, proceed with that flight. Thank you for your services.

ASSISTANT: Sure, your flight is booked successfully. Thank you for reaching us.

USER: You are welcome.