You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Williams.

ASSISTANT: How can I guide you at this moment?

USER: Can you please make me reservation from DFW to ORD?

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

USER: Sure, my travel dates are 10/22 and 10/24.

ASSISTANT: Wait a moment please.

USER: Ok, take your own time.

ASSISTANT: Delta airlines is available with 1 connection limit on this route and ticket costs 100, shall I book your ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Andrew Williams, your ticket is booked in flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thank you and have a safe journey.