You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: As I am a scientist, I want to research on Rockets in NASA Space Center at Houston, TX - HOU. Can you please book a ticket on 12/14 to 12/16?

ASSISTANT: Sure, may I know your origin airport code?

USER: It is a round trip.

ASSISTANT: On which name would you like to reserve this ticket?

USER: I am Dennis Johnson.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1000.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you so much.