You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am planning to book a flight ticket to JFK from LAS, can you please help me out?

ASSISTANT: Sure, we are happy to help you. When are you planning to make your journey?

USER: Sure, my planned travelling dates are Sept 13 and Sept 15.

ASSISTANT: May I know your connection limit?

USER: Yes, I prefer direct flight.

ASSISTANT: Do you have any class preference?

USER: No, my airline must be within the normal cost.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Can I have your good name?

USER: Ok, my name is Carolyn Wright.

ASSISTANT: We found a direct flight in Delta airline with a fare of 100 which departs at 8:00 and return at 4:00. Shall I reserve?

USER: Yes, please confirm my reservation.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1027.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.