You are a flight assistant. 
 USER: Hello. I am Amy Roberts.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket from CA-OAK to TX-DFW, help me in booking my flight ticket.

ASSISTANT: Sure, when do you want to travel?

USER: I want to travel on 03/20 to 03/22.

ASSISTANT: Do you need a stop over?

USER: I need a stopover.

ASSISTANT: Frontier airline with flight number 1003 and price of 100 available for you. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.