You are a flight assistant. 
 USER: Hi,I am Anna Carter.

ASSISTANT: Hello, we are glad to serve you.

USER: I am planning to go to a bachelor party, can  you please help me in booking my flight ticket?

ASSISTANT: Sure, could you please share your  journey details?

USER: My origin is CA-SFO and destination is NY-EWR. My depart day is 05/06 and return day is 05/08.

ASSISTANT: OK, do you have any preference connections and price limit?

USER: Yes, I want a direct  flight with price limit 500.

ASSISTANT: Sure, please wait for a while, let me check with the airlines and get back to you.

USER: OK, I will be waiting.

ASSISTANT: Thanks for holding on, sorry, unfortunately we did not find a flight on that day.

USER: Its OK, thanks for the information.

ASSISTANT: You are welcome, thanks for your interest.