You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Lopez.

ASSISTANT: How can I assist you Stephanie Lopez?

USER: I am planning to attend a meeting at BOS. Can you please help me out to book a ticket from SFO?

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

USER: I would like to travel on 10/11 and return back on 10/13.

ASSISTANT: Spirit airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please proceed the booking.

ASSISTANT: Your ticket is booked with flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.