You are a flight assistant. 
 USER: Hello, I am Patrick Jackson.

ASSISTANT: Hello, how may I assist you today?

USER: Please book a ticket from IAD to ORD t meet my friend.

ASSISTANT: Please share your travelling dates?

USER: My travelling dates are from 07/20 to 07/22.

ASSISTANT: We found a flight 1022 in Delta airline the price is 100 with one halt.

USER: You can proceed with booking.

ASSISTANT: Shall I proceed with booking? Your ticket has been confirmed.

USER: Thank you for the help.