You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to book a ticket from DEN to DTW. Could you help me?

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

USER: My  preferable dates are from 06/07 to 06/09.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Yes, proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1028.

USER: Thank you for helping me.

ASSISTANT: May I know your name please?

USER: Deborah Jackson here.

ASSISTANT: Thank you for reaching us.