You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Raymond Turner here. I would like to book a ticket from Washington. Could you please help me with booking a flight ticket from IAD to IAD?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: My travelling dates are from 01/14 to 01/16.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: There is a connecting flight 1011 of Spirit airlines, shall I proceed?

USER: You can proceed with that  ticket booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my ticket in Spirit airline.

ASSISTANT: You are welcome.