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

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from Washington DC - DCA to Dallas & Fort Worth, TX - DFW to meet my family doctor. Can you book me a ticket from June/13 to June/15?

ASSISTANT: Ok, please hold on. I will revert you.

USER: Sure.

ASSISTANT: Thanks for holding on, we are happy to inform that we found a flight according to your request. Flight details are, flight number : 1019, airline : UA, connection : 1, price : 100.

USER: Ok, please book my ticket.

ASSISTANT: Ok. Your ticket booking is done.

USER: Thanks for your support.

ASSISTANT: Thank you.