You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you for the day?

USER: As I am a scientist, I would like to visit the NASA space centre, which is located at Houston, TX - IAH.

ASSISTANT: May I know your good name please?

USER: I am Jason Clark.

ASSISTANT: Sure, provide me visiting airports and dates?

USER: I want to fly on 11/25 and return on 11/27. Boarding point is from Austin, TX - AUS.

ASSISTANT: May I know your price limits?

USER: Price limit is 1000.

ASSISTANT: Sure, give me a minute, I will check the availability.

USER: Ok.

ASSISTANT: Thank you for waiting, you got a flight of number 1018 with a single connection. Can I book the flight?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Thank you for your information, your flight has been booked with Southwest airline.

USER: Thanks for the service.

ASSISTANT: Thank you for reaching us, have a safe journey.