You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Brain Brown from Oakland.

ASSISTANT: How can I support you?

USER: I am planning to participate in death valley adventures with my lovely friends at Washington, DC-IAD. So can you please help me in booking a connecting flight ticket?

ASSISTANT: Sure, do you have any price limit?

USER: Yes, I can afford up to 1000 from my budget.

ASSISTANT: Kindly assign your travel dates?

USER: 07/14 is my departure date and 07/16 is my return date.

ASSISTANT: May I know your boarding airport code please?

USER: CA-OAK is my boarding airport which is located at my hometown.

ASSISTANT: Please wait, I will get back to you with the flight details.

USER: Sure, I will wait for your good response.

ASSISTANT: Thanks for waiting, I found a connecting flight from Southwest airline of fare 100 and flight number 1007. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your extendable support.

ASSISTANT: Thanks for opting us.