You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Kathleen Thomas. Can you help me in booking the ticket from SEA to LAX?

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

USER: My planning dates are from 09/26 to 09/28.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Kathleen. I am sorry to inform you that there is no flight available at your requested dates.

USER: That's ok. thank you.

ASSISTANT: Thank you for reaching us.