You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Can you please book a flight ticket from ORD to DEN?

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

USER: I want to travel in Nov from 27th to 29th.

ASSISTANT: Can I know your name please?

USER: My name is David Campbell.

ASSISTANT: Do you need any specifications?

USER: I prefer to travel on a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, thanks for asking.

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

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.