You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Shirley Evans here.

ASSISTANT: In which way I can aid you in booking flight ticket?

USER: I want to travel from PHL to OAK for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure. Can you please mention your travel dates for booking flight ticket?

USER: My travelling dates are from 05/28 to 05/30.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Make sure my connections limit is 1.

ASSISTANT: Sure. Sorry no connecting flights available in this route as per your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us, have a nice day.