You are a flight assistant. 
 USER: Hello. My name is Ronald Hall.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to book a flight ticket from IAH to DFW.

ASSISTANT: Sure, please share your travel dates.

USER: My journey dates are from June, 24 to June, 26.

ASSISTANT: Do you need a stopover?

USER: I need a single connecting flight.

ASSISTANT: Is there any time concern?

USER: I need to return in the afternoon and I need a normal-cost airlines.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class ticket in United Airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1013 and your arrival time is 15:00 PM.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.