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

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit Navy Pier at Chicago. Can you please book a ticket with a halt?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates for booking purpose.

USER: I want to depart on 12/02 and return on 12/04.

ASSISTANT: May I know your landing point and leaving point?

USER: My boarding point is Denver, CO - DEN.

ASSISTANT: Ok, wait for some time I will check the availability of flights and get back to you.

USER: I need to land at IL - ORD. Sure, I will wait.

ASSISTANT: We found Spirit airline with a halt and fare of 100. Shall I proceed for booking with airline number 1008?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking my ticket.

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