You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a ticket from JFK to DFW?

ASSISTANT: Sure, let me know your travel dates?

USER: My travelling dates are on Sept 04 and Sept 06.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I know your name?

USER: My name is Cynthia Lee.

ASSISTANT: We found a Delta airline with flight number 1005 and fare 100 and class is economy. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.