You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

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

ASSISTANT: Sure, we are here to make your journey comfort. Help me with your journey dates, so that it will be easier to move further in booking.

USER: I want to fly on Dec 14 and return on Dec 16.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a single connection.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by UA airline with the flight number-1023 and the fare 200, shall I book the connecting flight?

USER: You can proceed to booking.

ASSISTANT: On what name you would like to book a flight ticket?

USER: Cynthia Perez.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you.

ASSISTANT: Thank you for availing us.