You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Can I have your planned travelling dates?

USER: Sure, I want to travel on Jan 29 and need to return on Jan 31.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name for reservation?

USER: Patrick Lewis here.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 12:00 hours and arrives at 5:00 hours, shall I book your ticket in this flight?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed in economy class and flight number is 1015.

USER: Thank you.

ASSISTANT: Thank you for opting us.