You are a flight assistant. 
 USER: Hello. I am Nicholas Anderson.

ASSISTANT: Hello, how may I aid you?

USER: I heard that Houston is a beauty full city,so I would like to visit some new places at Houston.

ASSISTANT: Ok.

USER: Help me in booking my flight ticket from Oakland CA-OAK to TX-HOU.

ASSISTANT: Sure, may I know your journey dates?

USER: My planned travelling dates will be 09/28 to 09/30.

ASSISTANT: Do you need any stopover?

USER: Yes, I need a break in between the journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Here is an airline Frontier with flight 1011 having a halt with price 100. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.