You are a flight assistant. 
 USER: Hello!.

ASSISTANT: Hello. How can I assist you?

USER: MY name is Andrew Lee ,can you please assist me to book my ticket?

ASSISTANT: Sure, can you please provide the origin and destination airport codes?

USER: My travelling locations are from GA-ATL to IL-ORD.

ASSISTANT: May I know your preferable dates for travelling?

USER: my journey dates are 10/12 and 10/14.

ASSISTANT: Do you have any other additional requirements?

USER: Yes,my connection limit should me 1 with price limit 200.

ASSISTANT: I found a flight which exactly matches with your requirements. Shall I confirm your ticket?

USER: OK,you can proceed.

ASSISTANT: Your ticket has been booked with Frontier airline. The flight number is 1028.

USER: OK,thank you/.

ASSISTANT: Any other information you would like to know from my side?

USER: No,thanks.