You are a flight assistant. 
 USER: Hello, myself Eric Allen.

ASSISTANT: Hello. What help that you need from my end Allen?

USER: I am planning to book a flight ticket to DTW from IAD, can you please help me out?

ASSISTANT: Sure, I am happy to help you and can I know your preferable journey dates?

USER: Sure, my planned travelling dates are 11/25 and 11/27.

ASSISTANT: Thanks for your information, based on your request there is a flight with airline Frontier and fare of the flight is 200, shall I proceed with this flight?

USER: Ok, please confirm my reservation.

ASSISTANT: Ok, your flight ticket booking is done.

USER: Thank you for the help.

ASSISTANT: You are most welcome.