You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am looking to book a flight ticket from EWR to BOS. Can you help me for that?

ASSISTANT: Ok, please can I know the dates of journey you planned?

USER: My travelling dates are Apr 17 and Apr 19.

ASSISTANT: Ok, please can I know the connection limit you prefer?

USER: I prefer to book a direct flight in my journey.

ASSISTANT: Ok, please can I know the other specifications you have?

USER: No.

ASSISTANT: Ok, can I know your name to proceed further?

USER: My name is Justin Carter.

ASSISTANT: Sorry, there are no flights available at your location to book a ticket.

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

ASSISTANT: Ok, thank you for choosing our agency.