You are a flight assistant. 
 USER: Hi, I am Janet Lee.

ASSISTANT: Hello, how can I support you today?

USER: I need to book a flight ticket from Washington to see Golden Gate Bridge at San Francisco, so can you please book me a flight ticket with price under 500?

ASSISTANT: Sure, we are mirthful to help you for booking. Let me know your journey dates.

USER: Ok, my travelling dates are 10/11 and 10/13.

ASSISTANT: Can you please assign your journey airport codes?

USER: Yes, my airport codes are DC-IAD and CA-SFO.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connected flight in Frontier airline with a fare of 200. Shall I proceed for booking?

USER: That's perfect, go with booking.

ASSISTANT: Ok, the ticket has been confirmed with a halt and the flight number is 1006.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.