You are a flight assistant. 
 USER: Hi.

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

USER: I have to see my uncle as he met with an accident, can you please help me to book the flight ticket from DEN to ORD?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I will depart on 08/08 and also book the return ticket on 08/10.

ASSISTANT: Meanwhile, please provide your name.

USER: My name is Alexander White.

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

USER: That's fine for me, you can book the ticket.

ASSISTANT: Alexander White, your ticket is booked with flight number 1012.

USER: Thank you very much for helping me.

ASSISTANT: Thank yo, have a safe journey.