You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Brian Campbell, I want to book a flight from MI-DTW to attend a meeting at Charlotte. Can you book a flight to NC-CLT?

ASSISTANT: Sure, please share your journey dates?

USER: I will fly on 05/20 and return on 05/22.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight with single connection. My budget is 200 for flight ticket.

ASSISTANT: We found a flight in Delta airlines, flight number is 1003 with one connection and price is 100.

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.