You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Sandra Anderson, I want to book a flight ticket from IAH to DCA in the month of July.

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 07/26 and 07/28.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure.

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

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for reaching us.