You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Robinson.

ASSISTANT: Welcome to Austin airline agency. How can I assist you today?

USER: I am looking for a flight from Washington to Seattle. Can you find any flights available in this route?

ASSISTANT: Sure, will you provide your travelling dates?

USER: My journey dates are 04/23 and 04/25.

ASSISTANT: Please provide your airport codes.

USER: The source and destination airport codes are IAD and SEA.

ASSISTANT: Please give me a moment.

USER: Ok.

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

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.The flight number is 1000.

USER: Thank you for the service.

ASSISTANT: Welcome, have a great day.