You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Jessica Adams here. Could you book my ticket in a direct flight as I have some urgent work?

ASSISTANT: Sure, can you please share your travel dates?

USER: My itinerary dates are 04/24 and 04/26.

ASSISTANT: Could you please help me with the airport codes?

USER: My genesis and terminus airport codes are LAX and SEA.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Jessica, I am sorry to inform you that there is no flight available at your request.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us, have a nice day.