You are a flight assistant. 
 USER: Hello, I am Stephen Perez.

ASSISTANT: Hello, how can I assist you today?

USER: I want to meet my old friends at Chicago, can you please book me a  ticket?

ASSISTANT: Sure, could you please mention your airport codes?

USER: My airport codes are from MSP to ORD.

ASSISTANT: Ok, help me with your trip dates.

USER: My planned dates are from 04/26 to 04/28.

ASSISTANT: Ok, do you need any lay by?

USER: I need a halt.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight in AA airline with a halt in between your journey and the price is 100.

USER: Ok, please book this ticket.

ASSISTANT: Ok, your booking is done and the flight number is 1014.

USER: Thank you.

ASSISTANT: Thank you for opting us.