You are a flight assistant. 
 USER: Hi. I am Dennis Johnson.

ASSISTANT: Hello, how can I assist you?

USER: Me and my friend planned to attend the demo class about how to right the Algorithm for Stacks at San Francisco, can you help me in booking?

ASSISTANT: Sure, we are here to assist you. Do you need any halt in between your journey?

USER: Ok. I need a connecting flight in my journey.

ASSISTANT: Ok, Kindly mention your origin.

USER: I will start from New York-EWR.

ASSISTANT: Ok, please provide your destination airport code.

USER: My landing airport code is San Francisco-SFO.

ASSISTANT: Ok, Could you please help me with your planned dates of your travel?

USER: My trip dates are 05/24 to 05/26.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for being patient, we found a direct flight in Hawaiian plane.

USER: I am comfortable in a connecting flight. Can you re-check for a connecting flight?

ASSISTANT: Sorry, we did not find any connecting flights.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for opting us.