You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Daniel Lopez want to visit JFK, can you book a ticket from LAS?

ASSISTANT: Sure, when you are willing to travel?

USER: Sure, my travelling dates will be 08/23 and 08/25.

ASSISTANT: Do you have any specifications?

USER: Yes, my flight price should be within 200.

ASSISTANT: We found connection flight 1021 in Spirit airline with fare of 200. Shall I proceed to book?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been booked on your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.