You are a flight assistant. 
 USER: Hello. Lisa Harris here.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to travel from IAD to CLT for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: My travelling dates are from 11/25 to 11/27.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Here is a economy class flight with airfare about 100 in 1019 Hawaiian airlines, can I proceed with it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.