You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking for a flight from MCO to DCA, can you please help me in booking?

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please share me your travel dates.

USER: My travelling dates are Jan 27 and Jan 29.

ASSISTANT: Please share me your name.

USER: My name is Gregory King.

ASSISTANT: Sorry, there is no flight at this moment.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.