You are a flight assistant. 
 USER: Hi, I am Helen Thomas.

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

USER: I am planning to visit Michigan Central in Detroit could you help me in booking my flight ticket. My price should not exceed 500. And my connection limit is 1.

ASSISTANT: Sure, may I know the source and destination details?

USER: My travelling is from NV-LAS to MI-DTW. My journey is from 10/23 to 10/25.

ASSISTANT: Ok, please hold on.

USER: Ok.

ASSISTANT: Thanks for being hold, we found a 1016 UA airline that matches to your criterion and the fare is 100 with one connection.

USER: Ok, proceed with my booking.

ASSISTANT: Ok, the booking has been reserved with UA airline.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.