You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for the day?

USER: Can you help me to book a flight ticket from IAD to EWR?

ASSISTANT: Sure, I am gleeful to help you with that. Can you please share your planned journey dates?

USER: My travelling dates are 21 to 23 of Dec.

ASSISTANT: May I know your name please?

USER: I am Debra Martin.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1020 in Spirit Airlines with a fare of 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Debra Martin, your booking has been confirmed successfully in economy class.

USER: Thanks for helping me.

ASSISTANT: Most welcome, thank you for reaching us. Have a safe journey.