You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I have an appointment with my family doctor at New York, please help me out by booking a flight ticket.

ASSISTANT: Sure, may I know your journey dates?

USER: I want to fly on 09/14 and return on  09/16.

ASSISTANT: To proceed booking I need your airport codes.

USER: My source code is MA- BOS and destination code is NY- LGA. I need a connection within my journey.

ASSISTANT: May I know your good name please?

USER: I am Pamela Gonzalez.

ASSISTANT: Thanks for waiting, there are no flights found on your given requirements.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you.