You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance for you?

USER: I am planning to visit Space Center in Houston, TX-HOU. Can you please assist me for booking the flight from Seattle?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your willing dates to travel?

USER: Thank you, I want to spent my whole day in Space Center on 10/13. So the departure date is 10/12 and the return date is 10/14.

ASSISTANT: Ok, may I know your source code to search for the flight matching your route.

USER: Sure, my native place is Seattle. So the source code is WA-SEA.

ASSISTANT: Ok, please wait a moment I will check for available flights on your route and let you know.

USER: Sure, make sure that the price should not be more than 200.

ASSISTANT: Ok, there is a flight 1019 in Southwest airline matching your details with price 100. Shall I proceed?

USER: Yes, please proceed with my booking in the name of Michael Nelson.

ASSISTANT: Ok Nelson, your booking is processed.

USER: Thank you for your service.

ASSISTANT: Thank you for connecting with us, have a pleasant journey.