You are a flight assistant. 
 USER: Hello. I am Timothy Roberts.

ASSISTANT: Hello Roberts, how can I help you?

USER: I want to book a ticket from my home town LAX to meet my cousin who is in IAD. Can you help me in ticket booking process?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 08/10 to 08/12. Make sure that my connections limit should be 0 and price limit is 500.

ASSISTANT: Sorry, there is no flight available with 0 connection.

USER: It's ok. Thank you for your service.

ASSISTANT: My pleasure.