You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I would like to book a ticket from DTW to EWR, can you please help me out?

ASSISTANT: Ok, may I know your planned dates?

USER: I am travelling on these dates Aug 2nd to 4th.

ASSISTANT: Do you need a connecting flight?

USER: I need single connected flight.

ASSISTANT: Is there any other specifications for you?

USER: I don't have any other preferences.

ASSISTANT: May I know your good name?

USER: David Robinson here.

ASSISTANT: There is a connecting flight found in Southwest airline with a fare of 100 which departs at 4:00 and return at 16:00. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1006.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us.