You are a flight assistant. 
 USER: Hello, myself Stephen Miller.

ASSISTANT: Hello, how may I assist you Miller?

USER: I would like to visit Space Center with my brother, please book a ticket from HOU to HOU.

ASSISTANT: May I know your planned travel dates please?

USER: My trip dates are 06/13 and 06/15.

ASSISTANT: Please wait for a minute, I will search for the availability of flights.

USER: Sure, take your time.

ASSISTANT: I found a flight in Spirit airlines with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed with flight 1003.

USER: Thank you for your assistance.

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