You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Larry Collins.

ASSISTANT: How can I help you at this moment?

USER: I have a plan to meet my friend in Chicago, can you please help me in booking a flight ticket from DEN to ORD?

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

USER: I would like to start my journey on 10/11 and my return will be on 10/13.

ASSISTANT: Wait a moment please.

USER: Ok, take your time.

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

USER: Please proceed for further.

ASSISTANT: Larry Collins, your ticket is booked with flight number 1003.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.