You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. May I know your name?

USER: My name is Mary Hall.

ASSISTANT: How can I support you today?

USER: I would like to visit Golden Gate Bridge at SFO. Can you help me with booking on 08/01?

ASSISTANT: Sure, I will help you in booking. Will you provide me your source code and return date?

USER: My source is CLT. I will be recur on 08/03. I need a direct flight.

ASSISTANT: Sure, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Are you comfortable to travel with the fare of 800?

USER: No, I need a flight with the price of 500.

ASSISTANT: Ok, but there is no flight on your request.

USER: Ok, No problem. Thanks for the information.

ASSISTANT: Thank you for approaching us. Have a colorful day.