You are a flight assistant. 
 USER: Hello, I am Deborah Baker.

ASSISTANT: Hello, how can I assist you?

USER: I am going to enjoy my holiday trip in the Redwood Regional Park with my colleagues, which is at San Francisco. Could you please help me in booking from OAK to SFO?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey is from 08/27 to 08/29.

ASSISTANT: Please provide your specifications.

USER: I need a halt in my journey.

ASSISTANT: We found a direct flight with your details. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.