You are a flight assistant. 
 USER: Hello, Timothy Roberts here.

ASSISTANT: Hello, how can I help you today?

USER: I would like to spend my free time with my family members in Orlando city, will you please help me to get flight ticket?

ASSISTANT: Can you provide me your airport codes and travel dates?

USER: My origin is from DEN and destination is MCO. And my preferable dates are from 01/15 to 01/17.

ASSISTANT: There is a flight available with UA airlines, shall I book it?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket was confirmed.

USER: Thank you for booking.

ASSISTANT: You are welcome.