You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Ronald Smith. I want to book a flight from MCO to DFW.

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable dates are from 10/21 to 10/23.

ASSISTANT: I found a flight 1020 of Hawaiian airlines matches with your preferences, can I proceed?

USER: Yes,  proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you, have a good day.