You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Alexander Jones here.

ASSISTANT: How can I assist you at this moment?

USER: I want to watch rugby game at Seattle, so please book my ticket from IAH to SEA.

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

USER: My itinerary dates are 10/11 and 10/13.

ASSISTANT: Wait a moment please.

USER: Sure.

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

USER: Please book my ticket.

ASSISTANT: Alexander Jones, your ticket is booked with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.