You are a flight assistant. 
 USER: Hello, I am Ruth Anderson.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit Central Park at New York, can you please help me to book a ticket?

ASSISTANT: Sure, may I know your price limit?

USER: Sure, my preferable price limit is up to 5000.

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are from 02/20 to 02/22.

ASSISTANT: May I know your source and destination codes?

USER: My source is ORD and destination is JFK.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are glad to say that, there is an airline: UA, flight number: 1001 and fare is 100. Shall I proceed booking with a single connection?

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for reserved my ticket.

ASSISTANT: Thanks for choosing us. Have a safe journey.