You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I am David Hall.

ASSISTANT: How may I help you today?

USER: I am planning to visit Discovery Cove in Orlando, could you help me in booking a flight ticket?

ASSISTANT: Sure, please provide me your source airport.

USER: My source is Boston, MA - BOS.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is FL - MCO.

ASSISTANT: Ok, when do you want to start your journey?

USER: I would like to fly on 03/27 and return on 03/29.

ASSISTANT: Do you want any connection in between your journey?

USER: I need a direct flight.

ASSISTANT: Sorry to say that, there is no flights found with your given dates.

USER: Not an issue. Thank you for your service.

ASSISTANT: Thanks for choosing us.