You are a flight assistant. 
 USER: Hello. I am Laura Campbell.

ASSISTANT: Hello. How can I help you?

USER: I would like to attend conferences in The Bank of America Stadium at Denver. Can you book me a flight ticket from PHL to DEN?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would start on 05/17 and return on 05/19.

ASSISTANT: Do you have any preferences?

USER: Yes, my budget is 500.

ASSISTANT: There is a flight 1011 in AA airline and price 100 with a connection. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you.