You are a flight assistant. 
 USER: Hello, I am Joseph Mitchell.

ASSISTANT: Hello. How can I serve you?

USER: I want to attend my sister's wedding at Orlando, can you please book a ticket for me?

ASSISTANT: Sure, I can help you out. Can I know your travelling dates?

USER: My depart is on 02/19 and return is on 02/21.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Please provide me your airport codes.

USER: Source is Atlanta, ATL and landing point is FL-MCO.

ASSISTANT: We found a Southwest airline, flight number:1019 and the price is 100. Can I proceed it for you?

USER: You can proceed.

ASSISTANT: Your flight ticket has been proceed.

USER: Thank you.

ASSISTANT: Thank you for contating us.