You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Helen Moore here.

ASSISTANT: How can I help you at this moment?

USER: I want to meet my ex-husband, please book my ticket from DEN to OAK.

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

USER: My itinerary dates are 02/10 and 02/12.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Southwest airlines is available on this route with a ticket fare of 200 and 1 stop over, shall I book your ticket?

USER: Please book my ticket.

ASSISTANT: Patrick White, your ticket is booked in flight number 1018.

USER: Thank you.

ASSISTANT: Thank you and have a safe journey.