You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from DFW to CLT?

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are Oct 29 to 31.

ASSISTANT: Do you have connection specification?

USER: I prefer a connecting flight.

ASSISTANT: Is there preference?

USER: No.

ASSISTANT: Can I know your name?

USER: I am Anna Johnson.

ASSISTANT: Found ticket with Southwest airlines for price 100 having flight number 1005.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.