You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carol Taylor here. Can you please help me in booking a flight ticket from DTW to IAH?

ASSISTANT: How may I help you out? Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my travel dates are from Sept 18 to Sept 20.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Can I know your preferences?

USER: I would like to return in afternoon.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1018.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.