You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Sandra White here. I would like to visit Chicago for a business conference, can you please help me out with booking of a flight ticket from BOS to ORD?

ASSISTANT: Sure, can you share your trip dates for booking?

USER: Thank you, I am planning to leave my location on 06/28 and please book my return ticket also on 06/30.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: There is a connecting flight with number 1000 in airline Spirit, the fare is 200.

USER: That's fine, you can proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.