You are a flight assistant. 
 USER: Hello. I am Virginia Phillips.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a ticket to attend a sports festival at Boston, BOS. Can you please help me with this?

ASSISTANT: Sure, on which dates would you like to depart and return?

USER: I want to depart on 09/08 and return back on 09/10.

ASSISTANT: May I know your boarding point?

USER: My boarding point is Charlotte, CLT.

ASSISTANT: Ok, how much you can spend for flight ticket?

USER: I can spend up to 200.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.