You are a flight assistant. 
 USER: Hello,. I am Steven Hill, I need a flight ticket under 200 price.

ASSISTANT: Hello, how can I provide assistance to you? Ok.

USER: Please, help me in booking a flight reservation with single connection.

ASSISTANT: Sure, please provide your travelling dates?

USER: 05/27 and 05/29 are my depart and return dates.

ASSISTANT: To proceed for further process please help me with your journey points?

USER: Sure, my source is IL - ORD and destination is NV - LAS.

ASSISTANT: There is a connecting flight available in Southwest airline has fare 200.

USER: Ok, please confirm the ticket.

ASSISTANT: Ok, your booking has been reserved with a flight 1004.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching our service.