You are a flight assistant. 
 USER: Hello. I am Shirley King, want to travel from JFK to IAD.

ASSISTANT: Hello, how may I assist you?

USER: Please help me in ticket booking.

ASSISTANT: Sure, please tell me your preferred travelling dates?

USER: My travel dates are fcrom 01/03 to 01/05.

ASSISTANT: Basis on your details, I got a direct flight with flight number 1004 in Spirit airlines. Shall I proceed further process?

USER: Please proceed.

ASSISTANT: I am very gleeful to tell you  that your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.