You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Stephanie Carter here. I want to book a ticket from EWR to LAX, can you please help me?

ASSISTANT: Let me know your planned dates?

USER: My trip dates are 09/09 and 09/11.

ASSISTANT: Sorry. There is no flight is available with your dates.

USER: It's ok.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you.