You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Anna Clark.

ASSISTANT: How may I help you?

USER: I am planning to visit Art Museum at Denver, could you please help me with booking a flight ticket from SFO?

ASSISTANT: Sure, Can you provide your journey dates to proceed the booking?

USER: I would like to take off on 09/22 and return on 09/24.

ASSISTANT: May I know your destination code?

USER: My destination airport code is DEN.

ASSISTANT: Please, give me a minute.I will check it.

USER: Sure.

ASSISTANT: There is a flight with price 300 and flight number is 1016.Shall I proceed the booking?

USER: But my price limit is 200.

ASSISTANT: That's fine. Sorry there is no flight with that price.

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: You are welcome.