You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Can you help me to book a flight from DEN to MCO?

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

USER: My travel dates are Jan 21 and 23.

ASSISTANT: Can I know your name please?

USER: Catherine Jackson.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Can I know your other preferences?

USER: I don't have any other preferences.

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

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1005.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us.