You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I need to reach Orlando by May 17 as I have to attend a conference next day. Can you book me a return ticket on May 19?

ASSISTANT: Sure, to reserve a ticket can I know your airport codes?

USER: My boarding point is LGA and landing point is MCO.

ASSISTANT: Do you have any other requirements?

USER: I need 1 lay over within my route.

ASSISTANT: May I know your good name please?

USER: I am Jennifer Davis.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: That's alright, thanks fro your assistance.

ASSISTANT: Thank you for opting us.