You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Mark Collins here.

ASSISTANT: How may I assist you Mark?

USER: Can you make a reservation for me from DTW to EWR, to see my brother?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide your preferable dates that you want to travel?

USER: My trip dates are from 07/01 and 07/03.

ASSISTANT: Ok, please hold on a moment. According to your information, Delta airlines providing a flight with 1 connection with the fare of 200. Shall I proceed with this?

USER: Please proceed.

ASSISTANT: Ok, your reservation is done successfully with flight number 1010.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a safe journey.