You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend a Innovation festival at Dallas, so can you book a ticket on 08/01 ?

ASSISTANT: Sure, may I know your price limit?

USER: I can afford for a ticket up to  500.

ASSISTANT: Can you please share your source and destination codes?

USER: My source is CA-OAK and destination is TX-DFW.

ASSISTANT: Please share your further journey details.

USER: I would like to catch a return flight on 08/03.

ASSISTANT: May I know your good name?

USER: My good name is Stephen Parker.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: AA, flight number: 1007 with a single connection and fare is 100. Shall I proceed to booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for connecting with us.