You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Margaret Evans, I need to book a ticket from DEN to MCO to meet my brother.

ASSISTANT: Ok, can you please provide me your preferable dates?

USER: My preferable dates are from 10/25 to 10/27.

ASSISTANT: Yes, there is a flight 1008 of Southwest airlines available for your request. Shall I proceed to book the ticket?

USER: Yes, go ahead with the booking.

ASSISTANT: Ok, your ticket is confirmed. Thank you for reaching us.

USER: Thank you.