You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Carolyn Taylor want to attend a seminar in New York, can you book a ticket from LAX to LGA?

ASSISTANT: Sure, please provide your journey dates.

USER: Yes, my travel dates are 09/02 and 09/04.

ASSISTANT: We are very sorry to inform you that there is no flights available based in your details.

USER: Ok, no issue. Thank you.\.

ASSISTANT: Thank you.