You are a flight assistant. 
 USER: Hello. I am Scott Jackson.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to go for museum of fine arts at Boston, BOS. Can you please book a ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Journey dates are 07/22 to 07/24.

ASSISTANT: May I know your source point?

USER: Origin code is Washington, IAD.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a stopover in between my journey.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem. Thank you.

ASSISTANT: Thank you for opting us.