You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: I am planning to visit Detroit city, can you please book me a ticket from DFW to DTW?

ASSISTANT: Ok, may I know your travelling dates for your journey?

USER: My preferable journey dates are from 09/21 to 09/23.

ASSISTANT: Meanwhile, may I know your name?

USER: My name is Dennis Davis.

ASSISTANT: Flight-1003 is available while with 0 connections, can I book it?

USER: Please book my ticket with this flight.

ASSISTANT: Dennis Davis, your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.