You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Benjamin Evans, I want to travel Atlanta in the month of July to attend an event. Can you please help me in booking my flight ticket from Denver?

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

USER: Thank you for considering my request, my travelling dates are 07/11 and 07/13.

ASSISTANT: Can I know your airport codes too?

USER: My travelling airport codes are DEN to ATL.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing us.