You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Brandon Edwards. Help me in booking my flight ticket from IAD to CLT.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates will be Feb 03 to Feb 05.

ASSISTANT: May I know your class preference?

USER: No, I am comfortable with any class.

ASSISTANT: We found a flight on Spirit airline, flight number 1004 with the fare of 300. It is a connecting flight.

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.