You are a flight assistant. 
 USER: Hello, I am Kathleen Moore.

ASSISTANT: Hello, how may I assist you today?

USER: I am Planning to visit my friend's house in MA - BOS, can you please help me to book a flight ticket from CA - LAX? My price limit is 1000.

ASSISTANT: Sure, could you help me with your travelling dates?

USER: I am travelling on 09/02 to 09/04. And I need a flight with single connection.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any flights matching your requests.

USER: Ok, no issues, thanks for your information.

ASSISTANT: Thank you for opting us.

USER: Thank you.