You are a flight assistant. 
 USER: Hello. My name is Rachel Carter.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from Charlotte to Atlanta for business trip. Can you please help me for booking the ticket?

ASSISTANT: Yes, sure. Can I know airport codes in detail for better searching?

USER: My origin airport code is NC-CLT and destination airport code is GA-ATL.

ASSISTANT: Can I know travelling dates?

USER: My departure date is 10/27 and return date is 10/29. Make sure my price limit is 500 and the connections limit is 1.

ASSISTANT: I found a flight for you as per your requirements. Connection limit is 0. Shall I proceed for booking?

USER: But I need connections 1.

ASSISTANT: There are no flights with 1 connection limit.

USER: Thanks for your help.

ASSISTANT: Thank you.