You are a flight assistant. 
 USER: Hello. I am Jason Anderson.

ASSISTANT: Hello, may I know your name please? Yes, how can I help you?

USER: I would like to fly out on 01/18 and return back on 01/20, can you please book a flight ticket?

ASSISTANT: Please tell your travelling locations with airport codes?

USER: I am planning to attend for a Swarabhishekam in PHL.Can you book a ticket from DCA?

ASSISTANT: There is a flight available with your request. Shall I proceed with booking of the ticket?

USER: Ok, please proceed to book.

ASSISTANT: Your flight ticket is book with Hawaiian airlines and the flight number is 1008.

USER: Thank you for your service.

ASSISTANT: Enjoy your function with safe journey. Thank you and have a nice day.