You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Donna Anderson. I want to book a flight ticket from DFW to IAD. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, May 14 and May 16 are my travelling dates.

ASSISTANT: May I know your requirements?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight 1003 of Hawaiian airlines, shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.