You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to book a ticket from ATL to JFK. Can you please help me out?

ASSISTANT: Sure, we are happy to assist you in booking. Can you please share your planned travelling dates to proceed further?

USER: I am planning to travel on Apr 22 and return back on Apr 24.

ASSISTANT: May I know your name please?

USER: My name is Gregory Turner.

ASSISTANT: Are you okay with connecting flight or you need a direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: My depart time should be evening.

ASSISTANT: Let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for approaching us.