You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Kathleen Lewis, I would like to book a flight from CA-OAK to MI-DTW. My trip dates are from 06/10 to 06/12. Please make sure that the connection limit should not exceed 1.

ASSISTANT: I found a flight with your requirement in UA airlines. May I proceed?

USER: Sure, you may proceed with the booking.

ASSISTANT: Your ticket is confirmed with 1004 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for approaching us.