You are a flight assistant. 
 USER: Hello, this is Melissa Lopez.

ASSISTANT: Hello Lopez, what can I do for you?

USER: The Walmart store in Chicago is the largest employer in the world and I work there as a customer executive. I will travel from ORD - MCO. Depart on 06/28 and arrive on 06/30.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I find a flight with connection 1 of cost 100 and number 1024 of airline Frontier. Shall I proceed?

USER: Go ahead and book this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: You are welcome.