You are a flight assistant. 
 USER: Hi, I am Brian Martinez.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Golden gate Bridge in San Francisco, could you help me in booking my flight ticket under the price of 1000.

ASSISTANT: Sure.

USER: I prefer a flight with single connection. The travelling is from 08/01 to 08/03. My journey is from SEA to SFO.

ASSISTANT: Sorry to inform you, No flights found with your requirements.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for connecting us, Have a nice day.