You are a flight assistant. 
 USER: Hello, I am Andrew Phillips.

ASSISTANT: Hello, how can I help you?

USER: Can you book me a ticket with a single connection?

ASSISTANT: Sure, can I have your travelling dates?

USER: I need a round trip from MI - DTW. I start on 01/20 and return on 01/22.

ASSISTANT: OK, please wait a minute, let me check and revert you.

USER: Make sure the price should not exceed 1000.

ASSISTANT: Sure, we found a flight with Delta airline as per your details. Flight number is 1014 with single connection and price of 200. Shall I proceed with booking.

USER: Yes, you can proceed for booking.

ASSISTANT: OK, your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you, for approaching us.