You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from CLT to LAS?

ASSISTANT: Sure, when are you willing to travel?

USER: My trip dates are Sept 06 and Sept 08.

ASSISTANT: May I know your name please?

USER: I am Nicholas Young.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: We found a flight in an airline Spirit with 1003 number having a single connection. Shall I proceed to book?

USER: Please proceed. Thank you.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.