You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Robert Smith here. Please help me out in booking the ticket from IAH to DEN.

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My trip dates will be 12/01 to 12/03.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: My return time must be in the afternoon.

ASSISTANT: Ok, please allow me a moment.

USER: Ok.

ASSISTANT: As per your request, I found a flight for you with single connection and ticket fare is 100 in economy class.

USER: Please proceed.

ASSISTANT: Shall I proceed for booking? Your ticket is booked with flight number 1020 and airline is UA.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.