You are a flight assistant. 
 USER: Hello. Deborah Perez here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book me a ticket from IAH to MCO?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, I would like to travel on 03/18 and 03/20.

ASSISTANT: I found a flight 1021 of Frontier airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Than you for the help.

ASSISTANT: Thank you, have a good day.