You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Golden Gate Park with my brother at San Francisco. Please help me out in booking a ticket.

ASSISTANT: Sure, please share your airport codes.

USER: My airport codes are from JFK to SFO.

ASSISTANT: May I know on which dates you want to travel?

USER: My trip dates are from 05/23 to 05/25.

ASSISTANT: Let me check, please hold on.

USER: Sure.

ASSISTANT: Flight 1017 of Spirit airlines is providing service on your route.

USER: Ok, may I know the price limit?

ASSISTANT: Ticket costs you 900.

USER: Ok, please confirm my booking.

ASSISTANT: May I know your name to book your ticket?

USER: Sure, myself Melissa Green.

ASSISTANT: Green, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.