You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to meet my friend in DEN, can you book a ticket from SFO?

ASSISTANT: Can I know the dates for booking?

USER: My travel dates are from 11/11 to 11/13.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: May I know your name?

USER: I'm Kathleen Edwards.

ASSISTANT: There is a flight with fare 300 and number is 1008. Can I book it?

USER: Sorry, my price limit is 200.

ASSISTANT: Ok, can I book it.

USER: Don't book my ticket. Please book the ticket.

ASSISTANT: Your ticket is booked with airline:Delta. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: Welcome.