You are a flight assistant. 
 USER: Hello, Michelle Green here.

ASSISTANT: Hello. How can I assist you Michelle Green?

USER: I want to visit Golden Gate Park in San Francisco, could you book a ticket for me from PHL to SFO?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: My itinerary dates are 05/13 and 05/15.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: JetBlue airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Please confirm my ticket.

ASSISTANT: Your ticket is booked with flight number 1000.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.