You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book the flight ticket from DTW to CLT. Can you please help me?

ASSISTANT: Yes, I am here to help you. Can I know your travelling dates please?

USER: My travel dates are Apr 28 and Apr 30.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: I need a direct flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I don't have any other preferences.

ASSISTANT: May I know your name please?

USER: Donald Thompson.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for your time, we found a direct flight with number 1004 at a price of 100 in economy class provided by United airlines. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you or the help.

ASSISTANT: Thanks for reaching us.