You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Please assist me in booking a flight ticket from SFO to OAK.

ASSISTANT: Sure, can you share me your trip dates?

USER: I planned to travel in between Oct 03 and Oct 05.

ASSISTANT: Please share me your good name.

USER: Sarah Baker here.

ASSISTANT: Do you have any class preference?

USER: No, But make sure that I need an connected flight which should arrive in afternoon.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Sorry, no flights are found on your trip dates.

USER: Ok, not an issue. Thanks for your response.

ASSISTANT: Thank you for opting us.