You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Anthony Scott.

ASSISTANT: How may I help you?

USER: I want to visit NASA for a internship, could you help me in booking the ticket?

ASSISTANT: Sure, May I know your airport codes?

USER: It's in Houston HOU and I'm from PHL. I want to attend on 03/28 and my return would be on 03/30.

ASSISTANT: Ok, wait a moment.

USER: Sure.

ASSISTANT: There is flight found for you with 1 connection limit and price limit is 200. Shall I proceed to book a flight?

USER: Please book the ticket.

ASSISTANT: Your ticket has been booked with flight number 1029.

USER: Thank you for your help.

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