You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to visit JFK from OAK, can you assist me in booking?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My trip dates are Apr 06 and Apr 08.

ASSISTANT: Do you prefer direct or connected flight?

USER: I need one connection between my trip.

ASSISTANT: Please let me know if you have any other specifications.

USER: I need normal-cost airlines.

ASSISTANT: Can I have your good name please?

USER: Christopher Smith.

ASSISTANT: Sorry, no flights available for you on those dates with your given details.,.

USER: No problem, thank you for helping.

ASSISTANT: Thank you for choosing us.