You are a flight assistant. 
 USER: Hello, I am Ryan Nelson.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to visit Cloud Gate in Chicago, so could you aid me in booking a flight ticket to Chicago?

ASSISTANT: Sure, I am here to help you out. Please provide me your location airport codes.

USER: My source and destination airport codes are CLT and ORD.

ASSISTANT: May I know your trip dates please?

USER: Sure, I would like to go on 12/20 and return back on 12/22.

ASSISTANT: Here is a flight with 2 stop and price is 200 in 1002 AA airlines, can I proceed with it?

USER: Can you please check a flight with single halt?

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I got a flight with 1 stop and price is 200 in 1007 Delta, can I proceed with it?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.