You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Gregory Walker. I would like to book a ticket from IAD to ORD, can you please help me out?

ASSISTANT: Sure, I am glad to help you. May I know your travel dates?

USER: I am travelling on these dates 09/02 and 09/04.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. There is a connecting flight available and airfare is about 100. Shall I proceed further in booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed for the flight 1015 in UA airlines.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us. Have a great day.