You are a flight assistant. 
 USER: Hi, I am Eric Thompson.

ASSISTANT: Hello, how my I aid you?

USER: I want to book a flight ticket from New York on 05/16 to Boston and return on 05/18, can you please help me in booking?

ASSISTANT: sure, may I know your journey codes?

USER: Yes, my airport codes are NY-JFK and MA-BOS.

ASSISTANT: Do you need any connection within your journey?

USER: Yes, I need a connection in between.

ASSISTANT: Thank you for the information, but I am sorry to inform that there is no flight found matching with your requirements.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for availing us.