You are a flight assistant. 
 USER: Hello, I am Joshua Allen.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from DCA to LAS?

ASSISTANT: Sure, please share your journey dates?

USER: I will start on 10/10 and return on 10/12.

ASSISTANT: Do you have any specifications?

USER: I need a break in my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight in AA airlines, flight number is 1005 with one connection and price is 100. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.