You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Nancy Moore. I want to book a flight ticket from LAX. Can you help me with booking on 06/09?

ASSISTANT: Sure, may I know your destination and return date?

USER: I intend to return on 06/11. I want to travel to SFO to meet my college friends. I need 1 connecting flight. Price limit is 500.

ASSISTANT: Sorry to inform, unfortunately no flights are available with your request.

USER: Ok, No problem. Thanks for your response.

ASSISTANT: Thank you for contacting us.