You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: William Walker here. I want to meet my sister on her birthday, could you book my ticket from EWR to MSP?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: My itinerary dates are 09/23 and 09/25.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: UA airlines with connecting flight and the ticket costs 100 on this route, shall I book your ticket?

USER: Please book my ticket.

ASSISTANT: William Walker, your ticket is booked in flight number 1012.

USER: Thank you for your service.

ASSISTANT: Thank you and have a safe journey.