You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  I am Jack Rodriguez want to attend a live concert.

ASSISTANT: Ok.

USER:  Can you book a ticket on 05/19?

ASSISTANT: Could you please provide me your preferable airport codes?

USER: I will travel from DC- IAD to DC-IAD. I will return on 05/21.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight on your details with airline: AA and flight number: 1001. Shall I proceed for booking?

USER: Please provide me price details?

ASSISTANT: The price of ticket is 100.

USER:  You can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER:  Thank you for booking.

ASSISTANT: Thank you so much for choosing us. Have a nice day.