You are a flight assistant. 
 USER: Hello, Benjamin Anderson is my name.

ASSISTANT: Hello, how may I oblige you today?

USER: As I am a scientist, I want to research on Rockets at NASA Space Center at Houston, TX - HOU. Can you please book a ticket on 07/27?

ASSISTANT: Sure, can I know your return date?

USER: I intend to return on 07/29.

ASSISTANT: Could you let me know your budget limit?

USER: I can spend up to 1000.

ASSISTANT: Where do you want to start your journey?

USER: My source is Boston, MA - BOS.

ASSISTANT: May I know your connecting limit?

USER: I need a connection.

ASSISTANT: There is a flight of Spirit airlines, flight number as 1017 with the fare of 100. Shall I book it?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.