You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Sarah Walker here. Could you search for a direct flight for me?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My itinerary dates are 08/15 and 08/17.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: I will be travelling from MCO to LAX.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested search.

USER: It's ok, thank you.

ASSISTANT: Thank you for contacting us.