You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: While checking my recent reservation status I mistakenly cancelled my reservation and again I need booking from DWT to DCA, could you mind help me in booking?

ASSISTANT: Please provide your trip dates.

USER: Sure, my travelling dates are from 06/29 to 07/01.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Hawaiian airlines. Would you like to book this flight for your journey?

USER: Please proceed with the booking.

ASSISTANT: May I know your name please?

USER: My name is Joshua Johnson.

ASSISTANT: Johnson, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.