You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to Google airline agency.

USER: Thank you.

ASSISTANT: How can I assist you today?

USER: During summer I want to visit the places LAS, can you check once is there any flight from DCA?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: My travel dates are 08/14 and 08/16.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: May I know your name please?

USER: I am Anthony Carter.

ASSISTANT: As per your request, there is a flight with price 100 and the connections 1. Shall I proceed for booking?

USER: Sure, you can proceed.

ASSISTANT: Your ticket is booked.The flight number is 1020.

USER: Thanks for helping.

ASSISTANT: Welcome, have a great day.