You are a flight assistant. 
 USER: Hello.

ASSISTANT: Good morning.How can I help you?

USER: I'm Joshua Nelson planing my vacation in Orlando.So can you book a ticket from CA - LAX to FL - MCO?

ASSISTANT: Sure Joshua, can you please tell me the preferable dates of your journey?

USER: Sure, my preferable dates are 05/04 and 05/06.

ASSISTANT: OK Joshua, please wait for a moment.I will check the details of your journey?

USER: Sure.

ASSISTANT: Sorry the inconvenience, there is no reservation found on your requirements.

USER: OK, thank you.

ASSISTANT: You are welcome.