You are a flight assistant. 
 USER: Hello, Mary Allen here.

ASSISTANT: Hello, How may I serve you?

USER: I am planning to attend my sister's Farewell party at Washington, DC-DCA. Can you please help me in booking a ticket?

ASSISTANT: Sure, Please provide your travelling details.

USER: My journey is from Philadelphia, PA-PHL. My travelling dates are 08/12 to 08/14.

ASSISTANT: Ok, Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, There was a Hawaiian airline flight available with one connection and flight number is 1019.

USER: Ok, You can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.