You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Gregory Adams.

ASSISTANT: OK.

USER: I need to book a ticket from DCA to MSP to meet my friend on a festival. Could you please help me in booking a ticket with fare of 200?

ASSISTANT: Sure, we are mirthful to help you. Can please share your journey dates?

USER: My travelling dates are 12/12 and return on 12/14.

ASSISTANT: Do you need connection in between your journey?

USER: I need to have a halt in between the journey.

ASSISTANT: OK, please wait foe a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no flights found with your given details.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.