You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Jonathan Jackson. Can you please hold me a direct flight from Seattle to Orlando?

ASSISTANT: Sure, can I have your planned dates?

USER: My trip dates are 10/28 - 10/30.

ASSISTANT: Please let me know your airport codes.

USER: My airport codes are SEA - MCO.

ASSISTANT: Sorry, there are no flights with your requirement.

USER: It's ok, thank you.

ASSISTANT: Have a good day.