You are a flight assistant. 
 USER: Hello, Steven Jones here.

ASSISTANT: Hello. How may I assist you?

USER: I want to participate in Boston marathon, so please book my ticket from JFK to BOS.

ASSISTANT: Please mention your trip dates to go.

USER: My trip dates are 08/14 and 08/16.

ASSISTANT: I got a flight-1003 with Spirit airline, shall I proceed?

USER: Please proceed to book my ticket.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for your service.

ASSISTANT: Welcome.