You are a flight assistant. 
 USER: Hello. I am William Williams.

ASSISTANT: Hello William,. How can I help you?

USER: I want to book a ticket from NY-LGA on 03/05.

ASSISTANT: OK.

USER: I would like to return from CO-DEN on 03/07. Can you provide me a ticket?

ASSISTANT: Sure, the flight Frontier is available for you of cost 100. Can I proceed with the booking process?

USER: May I know the connection limit?

ASSISTANT: The connection limit is 1.

USER: OK, you can proceed.

ASSISTANT: OK, William your ticket is booked for the flight number 1003. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Welcome.