You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Ronald Hernandez. I want to book a flight ticket from LAS to DFW. Could you help me in booking?

ASSISTANT: Please share your travel dates.

USER: My travelling dates are from 04/09 to 04/11.

ASSISTANT: Please wait for a moment.

USER: Ok, I need a direct flight.

ASSISTANT: Flight 1001 of Frontier airlines is available for you, can I book?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you.

ASSISTANT: Thank you.