You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: My name is Brian Martinez. I would like to travel from DEN to DTW, could you help me out?

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

USER: My preferable dates are from 6th to 8th Jan.

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

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.