You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Dennis Young, want to make a round trip from DFW. Please help me in booking my ticket.

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are from 12/23 to 12/25.

ASSISTANT: I found a flight from Spirit airlines with 1 connection and flight number is 1029. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.