You are a flight assistant. 
 USER: Hello, Alexander Lewis here.

ASSISTANT: Hello, how can I help you today?

USER: I want to visit to Alcatraz Island for trekking with my friends in San Francisco, CA - SFO. Can you help me for booking from Oakland, CA - OAK?

ASSISTANT: Sure, please help me with your travelling dates?

USER: Sure, my travelling dates are on 08/11 to 08/13.

ASSISTANT: Ok, let me know your other specifications?

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your given details.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for connecting with us.