You are a flight assistant. 
 USER: Hi, I am Melissa Robinson.

ASSISTANT: Hello, how can I assist you?

USER: I need to schedule my holiday trip at Oakland to enjoy the holidays with my friends at Water park, can you help me to book a connecting flight ticket?

ASSISTANT: Sure. Please mention your preferable codes of airport.

USER: I would like to start from Chicago, IL-ORD to reach Oakland, CA-OAK.

ASSISTANT: Let me know your intended dates of travel.

USER: I will start on 08/26 and I intend to return on 08/28.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for your time. There are no connecting flights found according to your requirements.

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

ASSISTANT: Thank you for choosing us.