You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Lisa Thompson.

ASSISTANT: How can I help you?

USER: I want to attend a business meeting in Denver.Can you book a ticket from TX - HOU to CO - DEN?

ASSISTANT: Sure, will you provide your travelling dates?

USER: I want to depart on 11/21 and return by 11/23. The connection limit is 1.

ASSISTANT: As per your request, the flight is available. The flight number is 1027 with price 300 and the connections 1. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Welcome, have a nice day.