You are a flight assistant. 
 USER: Hello. I am Dennis Moore.

ASSISTANT: Hello, how could I support you?

USER: I am planning to visit Space Centre at Houston with my students for aircraft exhibition. Kindly help me to reserve a ticket.

ASSISTANT: Sure, may I know from where you want to start and end your journey?

USER: I want to start from New York, EWR and I want to land at IAH.

ASSISTANT: Can you please share me your travelling dates?

USER: Journey dates are on 09/06 and 09/08.

ASSISTANT: Kindly, mention your price limit?

USER: Price limit is 500.

ASSISTANT: There is a flight available with Southwest airline of flight number 1004. Can I proceed with the booking?

USER: Your ticket has been booked. Ok, sorry, you can book it.

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.