You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Dorothy Young. I want to book a flight ticket from SFO to OAK. Can you make a reservation for me?

ASSISTANT: Ok, please mention your desired dates for this journey?

USER: Ok, my journey dates are on Feb 24 and return on Feb 26.

ASSISTANT: May I know your depart and return time?

USER: Yes, I want to depart in the afternoon time and return in the Afternoon time.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry to say, there is no flight available for your journey.

USER: Ok, not an problem.

ASSISTANT: Thank you for consulting with our agency.

USER: Thank you for your help.