You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Daniel Rodriguez.

ASSISTANT: How can I aid you?

USER: I want to go to my grand mother memorial service at Chicago, can you please help me in booking?

ASSISTANT: May I know your source and destination codes?

USER: My source code is IAH and my destination is ORD.

ASSISTANT: Can you please provide me your trip dates?

USER: Sure, my trip dates are from 11/11 till 11/13.

ASSISTANT: Please hold on for a while. As per your trip dates, I found a flight 1018 with 1 connection and airline is Delta. It costs you 100. Shall I proceed.

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with 1018.

USER: Thank you for booking.

ASSISTANT: Welcome.