You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for today?

USER: I would like to visit Golden gate Bridge at San Francisco, please help me in booking a ticket from ATL to SFO.

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: My planned journey dates are 10/20 and 10/22.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found a flight ticket with a price of 600 and 1 connection.

USER: Please check the price below 200.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Can I know your name for documentation?

USER: My name is Gary Thompson.

ASSISTANT: Thank you for consulting us.