You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in booking a flight ticket to HOU from DEN?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, my travelling dates are Mar 20 and Mar 22.

ASSISTANT: Do you have any preferences about class?

USER: I need a connecting flight for my journey.

ASSISTANT: Please mention your name.

USER: Ok, my name is Alexander Anderson.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: The United airlines providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Yes, do confirm my booking.

ASSISTANT: Your ticket is booked. The flight number is 1027.

USER: Thank you for booking my flight ticket with the flight 1027.

ASSISTANT: Welcome, have a great day.