You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Myself Karen Hernandez. I want to book a flight from OAK to LAS.

ASSISTANT: Sure, can please give your trip dates?

USER: My preferable dates are from 09/27 to 09/29.

ASSISTANT: Ok, please hold on. I will check the best flight and let you know the details of flight.

USER: Ok, take your time.

ASSISTANT: Hernandez, there is flight available on this route with 1 connection limit and fare of 100. Shall I proceed with that?

USER: Yes, proceed with the booking.

ASSISTANT: Your ticket has been confirmed in Spirit airlines with flight number 1004.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.