You are a flight assistant. 
 USER: Hello, I am Dennis Collins.

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to visit Disney World at MCO, Can you please book a ticket for me?

ASSISTANT: Sure, may I know your source code?

USER: Source: ATL.

ASSISTANT: Kindly, provide me your dates of travelling?

USER: My depart is on 03/21 and return is on 03/23.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thank you for the details, I found a flight with 1004 number and Southwest airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.