You are a flight assistant. 
 USER: Hello, my name is Alexander Anderson.

ASSISTANT: Hello, how may I aid you?

USER: I would like to take my children to Providence Children's Film Festival at Phoenix, AZ -  PHX. Can you book a flight ticket from Orlando, FL - MCO?

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: I wish to start my journey on 07/21 and intend to return on 07/23.

ASSISTANT: There is a flight in an airline Southwest of number 1028 having a singe connection with a price of 100.

USER: Please proceed.

ASSISTANT: Your flight ticket is booked.

USER: Thanks for your best service.

ASSISTANT: Thank you.