You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am John Martinez want to visit CLT, can you book a ticket from IAD?

ASSISTANT: Sure, please provide me your travel dates.

USER: Sure, my travelling dates will be 11/21 and 11/23.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed with this flight?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been booked with flight-1004.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a safe journey.