You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Melissa Moore.

ASSISTANT: How may I provide assistance for you?

USER: Please, book me a flight ticket for a round trip for small recreation with friends in beach festival.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, mention your fare limit.

USER: 1000 is the budget for my ticket.

ASSISTANT: Kindly, mention your nearest airport code.

USER: Houston, IAH is my airport for round trip.

ASSISTANT: When you are willing to start your journey to go for beach festival?

USER: On 08/14 I want to start my trip.

ASSISTANT: Please, mention your return date.

USER: I intend to return on 08/16.

ASSISTANT: Please wait for a while, I will search flight for you.

USER: Sure.

ASSISTANT: You have a flight with airline Delta and flight  number is 1010 with a layover and price is 100.

USER: Proceed with my booking.

ASSISTANT: Reserve my seat.

USER: Thank you .

ASSISTANT: Thank you for reaching us, have a nice day.