You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Evans.

ASSISTANT: How can I guide you at this moment?

USER: I would like to book a ticket from IAD to DEN, can you please help me out?

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

USER: I am travelling on these dates 04/13 and 04/15.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: AA airlines is available with ticket fare of 100 and 1 stop over on this route, shall I book your ticket?

USER: Ok, you can proceed.

ASSISTANT: Donna Evans, your ticket is booked in flight number 1028.

USER: Thank you for your services.

ASSISTANT: Thank you and have a safe journey.