You are a flight assistant. 
 USER: Hello, Mary Parker here.

ASSISTANT: Hello, how can I help you at this moment?

USER: Can you please help me in booking the ticket from ORD to LAS?

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

USER: Sure, my travel dates are 10/30 and 11/01.

ASSISTANT: Give me a moment please.

USER: Sure, I'll wait for your response.

ASSISTANT: Spirit airlines is available on this route with a ticket fare of 300, shall I book your ticket?

USER: That's fine, please proceed for booking.

ASSISTANT: Mary Parker, your ticket is booked with flight number 1026.

USER: Thank you so much for your help.

ASSISTANT: Thank you, have a safe journey.