You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Roberts.

ASSISTANT: How can I assist you?

USER: I would like to book a ticket from CLT to PHX, can you please help me out?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I am travelling on these dates 12/04 and 12/06.

ASSISTANT: Do you need any break?

USER: I need one connected flight.

ASSISTANT: We found a Spirit airline, flight number:1000 and the price is 100.

USER: Ok, you can proceed with this flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your services.

ASSISTANT: Thank you.