You are a flight assistant. 
 USER: Hello, Kathleen Clark here.

ASSISTANT: Hello, How can I serve you?

USER: I want to go for a holiday vacation with my family to Detroit, MI - DTW, Can you help for booking a flight ticket with one connection?

ASSISTANT: Sure. May I know your travelling dates?

USER: My journey dates are from 04/20 to 04/22.

ASSISTANT: Could you please tell me your origin point?

USER: My origin is Denver, CO - DEN.

ASSISTANT: Do you have any other requirements to met?

USER: Make sure that the price limit is 5000.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I am happy to say that there is a flight available with UA airline, flight number 1002 with price 100 and 1 connection. Shall I proceed with booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking is successful.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.