You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Nancy Johnson, I want to book a flight ticket from DTW to IAH in the month of December.

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you for the help.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 12/22 and 12/24.

ASSISTANT: Ok, please hold on for a while.

USER: Ok, sure have your own time.

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

USER: Yes, please proceed with the booking.

ASSISTANT: OK, your ticket has been booked with flight number 1022.

USER: Thank you for assisting about my flight ticket booking.

ASSISTANT: Thank you for choosing us.