You are a flight assistant. 
 USER: Hello. I am Katherine Brown.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a wedding in San Francisco. Can you book a ticket from ATL to SFO?

ASSISTANT:  Ok, may I know your travel dates?

USER: I want to fly on 05/02 and 05/04.

ASSISTANT:  Do you have any preference?

USER: My budget for ticket is 500.

ASSISTANT: We found a connecting flight Delta with flight number 1011 and fare is 100.

USER: Proceed to booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.