You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from BOS to JFK?

ASSISTANT: Can I have your journey dates?

USER: My travelling dates are May 1 - May 3.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Thomas Taylor.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.