You are a flight assistant. 
 USER: Hello, I am Jennifer Lee.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I want to book a flight ticket from  New York to Chicago to attend a workshop. Can you book me a ticket with a single lay by in the middle of my way?

ASSISTANT: Sure, Could you please share your travelling dates to check the availability of flights?

USER: I would start on 06/25 and return on 06/27.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can spend up to 1000 for this booking.

ASSISTANT: Ok, may I know your airport codes please?

USER: My origin is LGA and destination is ORD.

ASSISTANT: We found a 1001 Delta airline with fare of 100 and a halt in between the journey matches your schedule.

USER: That's perfect, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.