You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you out?

USER: Can you please help me in booking my flight ticket from IAH to IAD?

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

USER: My planned travel dates are Nov 29 to Dec 01.

ASSISTANT: Can I know your name please?

USER: Myself, Edward Parker.

ASSISTANT: Do you need any specifications?

USER: I prefer to fly in connected flight.

ASSISTANT: Can I know your other preferences?

USER: No more preferences.

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

USER: Ok, please go ahead.

ASSISTANT: Ok, your ticket has been booked with flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.