You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Welcome to our flight agency, what kind of help you need from our agency?

USER: I am Richard Harris want to visit Denver, can you book a flight with 1 connection?

ASSISTANT: Yes Richard, I can book you the flight ticket. I need your travelling dates please?

USER: Sure, my travelling dates will be 09/17 and 09/19.

ASSISTANT: Can I know your airport codes too?

USER: Yes, I want to fly from LGA to DEN.

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

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for choosing us.