You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to book a ticket from MCO to LAS, can you please help me with that?

ASSISTANT: Can I know your travelling dates please?

USER: The travel dates are from 07/21 to 07/23.

ASSISTANT: May I know your connection limit?

USER: I need a flight with 1 connection limit.

ASSISTANT: Do you have any other preference?

USER: I would like to depart during afternoon time.

ASSISTANT: May I know your name please?

USER: Robert Campbell here.

ASSISTANT: Sorry, no flights available on your route.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.