You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how can I help you?

USER:  I have planned to attend Cricket match Live event in Denver, so I need to book a ticket. Can you help me to book a flight ticket within the price of 500?

ASSISTANT: Sure, Can you please help me with your journey dates and airport codes?

USER: I want to start from LAX and return at ORD. My travelling dates are: 09/09 and 09/11.

ASSISTANT: Please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. A flight is found in delta airline with price 100 having single connection. Shall I proceed with it?

USER: Ok, please proceed for that airline.

ASSISTANT: Your flight ticket is confirmed. Thank you for choosing us and your flight number is 1011.

USER: Thanks for your response.