You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Carter.

ASSISTANT: How can I help you today?

USER: I am planning to visit Roosevelt Island Aerial Tram in New York, JFK.

ASSISTANT: Sure, can you share me your travelling dates?

USER: My travelling dates are Apr 21 and 23.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: I need to know your source code?

USER: I want to board from Austin, AUS.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found a flight with the price of 100 and 1 connection limit. Can I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us.