You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me with booking a flight ticket from SFO to OAK?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from Apr 21-23.

ASSISTANT: Do you have any connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Is there any specifications?

USER: My depart has to be in afternoon.

ASSISTANT: There is a flight with single connection in Southwest airlines, can I proceed for booking in 1005 flight?

USER: You can proceed with booking on the name of Edwards Anderson here.

ASSISTANT: Your booking is done in business class.

USER: Thank you for the help.