You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to Washington, DC - DCA to meet my childhood friend. Can you help me for booking on the name of Dennis Gonzalez?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates are 11/04 to 11/06.

ASSISTANT: Could you let me know your source point?

USER: I am heading from Philadelphia, PA - PHL.

ASSISTANT: We found a flight on spirit airline, flight number as 1017 with the fare of 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.