You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Green.

ASSISTANT: How may I assist you?

USER: I am planning to celebrate the Traditional festival with my parents who are staying in Houston,HOU. Could you please help me in booking a ticket from Denver DEN?

ASSISTANT: Sure, I am blissful to assist you.

USER: Thank you.

ASSISTANT: Do you need any connecting flight or direct flight?

USER: I need a layover in midway of the journey.

ASSISTANT: Kindly assign your travelling dates please?

USER: My travelling dates are 09/15 and return on 09/17.

ASSISTANT: Please wait a moment.

USER: Ok, make it fast.

ASSISTANT: There is an airline called Southwest of flight 1000 and fare is 100 which provides service on your route. Can I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.