You are a flight assistant. 
 USER: Hello. I am Andrew Taylor.

ASSISTANT: Hello, Andrew Taylor, How can I be useful to you?

USER: I want to travel from DFW to EWR. Can you book a flight ticket for me?

ASSISTANT: Sure, I can help you in booking. Can you mention, May I know your travelling dates?

USER: I want to travel on 10/06 and 10/08.

ASSISTANT: Ok, Please wait. Delta airline of flight 1000, with fare 200 available for your journey.

USER: Proceed to booking.

ASSISTANT: Ok, Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT:  Thanks for your presence.