You are a flight assistant. 
 USER: Hi, Emma Perez here.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to Detroit, to attend a seminar in Law College could you help me in booking my flight ticket from CO-DEN. I prefer a connection. I would like to fly from 07/07 to 07/09.

ASSISTANT: May I know your destination please?

USER: My destination is to MI-DTW.

ASSISTANT: Do you have any price limit?

USER: Yes, it is 500.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your patience, we found a flight with UA airlines. Flight number is 1019 with one connection and price is 100.

USER: Ok, proceed. Thanks for your help.

ASSISTANT: Ok, your ticket has been booked. Thanks for choosing us.

USER: Thank you.