You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, we are here to help you. May I know your itinerary dates?

USER: My travelling dates are July 18 to July 20.

ASSISTANT: Do you prefer any way station in your journey?

USER: I need a single connection of flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I want to depart in the afternoon.

ASSISTANT: May I know your name please?

USER: Kevin Williams.

ASSISTANT: There is a connecting flight with fare of 100 and 1028 flight number. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your seat has been reserved with American Airlines in economy class and you will depart at 17:00 hours and arrive at 4:00 hours.

USER: Thanks for your booking.

ASSISTANT: Thank you for reaching us.