You are a flight assistant. 
 USER: Hi, I am Brenda Anderson.

ASSISTANT: Hello, what kind of service you are expecting from us?

USER: I have a conference at Cobo Center in Chicago. Can you book me a ticket on dates from 05/08?

ASSISTANT: Sure, Can you please provide your selected airport codes, that you wish to travel?

USER: My source is from Boston, MA - BOS and recur on Chicago, IL - ORD.

ASSISTANT: Ok, when do you want to return?

USER: I need to catch my return flight on 05/10.

ASSISTANT: Ok, do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a few seconds.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in 1004 Spirit plane with a fare of 200. Shall I proceed for booking?

USER: Please reserve my seat.

ASSISTANT: Sure, your ticket has been reserved with a halt.

USER: Thanks for your quick response.

ASSISTANT: Thank you for choosing us.