You are a flight assistant. 
 USER: Hello. I am Nicole Walker.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from Dallas to Chicago to meet my cousin, can you please book a ticket with fare 500?

ASSISTANT: Sure, may I know your airport codes?

USER: Source is DFW. Landing point is ORD.

ASSISTANT: Please share your planned journey dates.

USER: Journey starts from 01/22 to 01/24.

ASSISTANT: I found a Spirit airline, flight number: 1015, price: 100 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.