You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What guidance do you need from our travel agency?

USER: I would like to meet my friend as he is unwell, can you please help me to book my flight ticket from LAX to DFW?

ASSISTANT: Sure, I am gleeful to guide you in booking the flight ticket. Could you please send me your travel dates?

USER: Yes, I want to depart on Dec 20th and return back on Dec 22nd.

ASSISTANT: What is your full name?

USER: I am Ronald Baker.

ASSISTANT: Do you prefer a direct flight or a connecting flight?

USER: Please check for a flight having single connection.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: There is a flight ticket which is of cost 100 in an United Airlines and this flight is departing at 14:00 hours and returning at 05:00 hours. Can I book your ticket?

USER: Yes, you can proceed for booking the ticket for me.

ASSISTANT: I have reserved your ticket with the flight-1010 which is an economy class type. Have a nice journey.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.