You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book flight ticket from IAD to EWR.

ASSISTANT: May I know your travelling dates?

USER: In the dates from 06/03 to 06/05.

ASSISTANT: There is a flight 1001 of UA airlines as per your request. Shall I proceed to book the ticket?

USER: Please proceed the booking of the ticket.

ASSISTANT: May I know your good name please?

USER: Myself Anna Collins.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Welcome. Have a great day.