You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking a flight ticket from DCA to MSP to attend a flower festival?

ASSISTANT: Sure, let me know your travelling dates.

USER: I am planning to depart on Nov 06 and return on Nov 08.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: I prefer normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other.

ASSISTANT: May I know your name please?

USER: My name is Amy Clark.

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

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.