You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Betty Baker.

ASSISTANT: Betty Baker, how may I assist you today?

USER: I am planning to visit Roosevelt Island Aerial Tram in New York, JFK. Can you help me to book a connecting flight?

ASSISTANT: Sure, I will help you. Please help me with your best dates to reach JFK.

USER: Thank you.

ASSISTANT: You are welcome.

USER: My trip dates are Sept 27 and 29.

ASSISTANT: Please help me with your source airport code.

USER: My source is from Los Angeles, LAX.

ASSISTANT: May I know if you need a direct or connecting flight please?

USER: I am ok with both flights.

ASSISTANT: Please let me know with your preferred depart and return time.

USER: I want to depart in the afternoon time.

ASSISTANT: Please help me with your preferred class to travel.

USER: I don't have any class preference, I need to travel in normal cost airline.

ASSISTANT: Thank you for letting me know. Please allow me a minute.

USER: Sure.

ASSISTANT: Betty Baker, I am really sorry to inform you that there are no flights available.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us. Have a great day.