You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Rodriguez.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, I will help you. May I know your planned journey dates?

USER: My travelling dates are Apr 20 and Apr 22.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Which class would you prefer for your journey?

USER: I am fine with any class.

ASSISTANT: Do you have any other preferences?

USER: My departure time is afternoon. Sorry, please search a flight in business class.

ASSISTANT: Give me a minute, please.

USER: Sure.

ASSISTANT: Thank you for your time, there were no flights available that matches your requirements.

USER: That's ok, thank you for choosing us.

ASSISTANT: Thank you for approaching us.