You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is John Parker. I need your help in booking a flight ticket to DFW from DCA.

ASSISTANT: Sure. Please let me know your travel dates.

USER: My preferable travelling dates are from 08/20 to 08/22.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Parker, I found a flight with Hawaiian airlines and flight number 1028. Shall I book it for you?

USER: Yes, please confirm this flight ticket.

ASSISTANT: Your ticket is confirmed. Thank you for reaching us.

USER: Thank you.