You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a Seminar in Seattle. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: My travelling dates are Nov 10 and Nov 12.

ASSISTANT: May I know your airport codes?

USER: My airport codes are MCO and SEA.

ASSISTANT: Do you have any specifications?

USER: I prefer economy class.

ASSISTANT: May I know your good name?

USER: My name is Mark Thompson.

ASSISTANT: Sorry, no lights found on your given details.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.