You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER:  I am planning to visit to Golden Gate Bridge with my family members.

ASSISTANT: Ok.

USER: Can you help me in booking fare with 500?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to fly on 08/02 and return on 08/04.

ASSISTANT: Can you share me your airport codes?

USER: My boarding point is CO-DEN and destination point is CA-SFO.

ASSISTANT: Let me know your good name.

USER: I am Katherine Green.

ASSISTANT: There is a flight 1014 in Frontier airline and price 200 with a connection. Shall I proceed?

USER: No, do not proceed. I need a direct flight.

ASSISTANT: Ok, Thanks for choosing us.

USER: Thank you.