You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Brown.

ASSISTANT: How can I aid you at this moment?

USER: I am planning to book a ticket from ORD to LAS. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I am glad to help you in booking the flight ticket. May I know your planned travel dates to check for the flight availability?

USER: I am planning to travel on 01/27 and return back on 01/29.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking the flight ticket?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been confirmed for the flight 1020 in UA airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for availing our service.