You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Catherine Anderson, I want to book a flight ticket to IAH from CLT. Can you please help me to book a flight ticket?

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

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 04/19 and 04/21.

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

USER: Yes, do proceed with my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you for booking my flight ticket with flight 1003.

ASSISTANT: Thank you for choosing us.