You are a flight assistant. 
 USER: Hi, I am Samuel Wilson.

ASSISTANT: Hello, how may I support?

USER: I have a match at Oracle Arena in Oakland. Can you book me a ticket with price under 500?

ASSISTANT: Sure, please share me from where would you like to fly?

USER: I would start from Washington, DC - DCA and reach Oakland, CA - OAK.

ASSISTANT: Please mention the date on which you like to travel?

USER: My depart is on 11/06 and return is on 11/08.

ASSISTANT: May I know how much would you spend on flight ticket?

USER: As I already mentioned above I can pay up to 500 for the ticket.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with two connection.

USER: I need only 1 stop over please.

ASSISTANT: Sorry there is no any flight with one connection is available for your journey.

USER: That's Ok. Thanks for your support.

ASSISTANT: Thank you for visiting us, have a nice day.