You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to fly from MSP to DCA, can you help me in booking?

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

USER: My travelling dates are 05/31 and 06/02.

ASSISTANT: May I know your good name please?

USER: My name is Alexander Collins.

ASSISTANT: There is a flight available on your requested dates from Spirit airline with 1 connecting flight.

USER: Sorry, I need a direct flight.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, thank you.

ASSISTANT: You are welcome.