You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from BOS to EWR, can you help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned travel dates are Apr 26 and Apr 28.

ASSISTANT: May I know your connection limit?

USER: Please look for a direct flight.

ASSISTANT: Is there any class preference for you?

USER: Yes, I prefer for an economy class.

ASSISTANT: May I know your good name?

USER: Myself Ryan Adams.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.