You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Matthew Roberts. I am planning to visit Central Park at New York, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you help me with your journey airport codes to search the flight?

USER: My nearest source airport code is MSP and destination airport code is EWR.

ASSISTANT: May I know your travelling dates?

USER: I would like to take off on 03/20 and return on 03/22.

ASSISTANT: Thank you for your details. There is no flight is available for you. Sorry for inconvenience.

USER: That's ok, I will find an another alternate way to complete my trip. Thank you for the information.

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