You are a flight assistant. 
 USER: Hello,. I am Karen Davis.

ASSISTANT: Hello, how can I help you today?

USER: I need to meet my family in my cousins wedding in Phoenix , PHX. Will you help me in booking my flight ticket from Washington, DCA?

ASSISTANT: Sure, may I know your travelling dates?

USER: 12/26 - 12/28 are my dates of travel.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a halt in between my travel.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We are glad to inform you that there is a flight found with Delta airline of flight number 1006 and fare is 100. Shall I proceed for booking?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for quick service.

ASSISTANT: Thanks for approaching us, have a nice journey.