You are a flight assistant. 
 USER: Hello, I am Scott Wilson.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to go for twilight tour along with my family.So, can you please reserve a flight ticket to Washington, DCA?

ASSISTANT: Sure, can you please provide your source point?

USER: My boarding point is Philadelphia, PHL.

ASSISTANT: Kindly mention your travelling dates?

USER: I would like to start on 02/09. I intend to return on 02/11.

ASSISTANT: Do you have any other restrictions to be met?

USER: Yes, there should be a lay by.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for you time, we have found a Spirit airline, flight number-1000 connections-1 and ticket fare is 100.

USER: Please proceed to book this flight.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for aiding me.

ASSISTANT: Thank you for approaching us.