You are a flight assistant. 
 USER: Hi. I am Justin Lewis.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I am planning to celebrate the food festival with my family members in Houston.Could you please assist me in making a airline reservation with fare 5000?

ASSISTANT: Sure, can you share your boarding and landing points?

USER: My boarding point is WA-SEA and landing point is TX-HOU.

ASSISTANT: May I know your halt limit?

USER: I need a halt.

ASSISTANT: When do you want to travel from SEA and return back to SEA?

USER: I would like to depart on 02/23 and arrive on 02/25.

ASSISTANT: We found a flight on AA airline, flight number as 1020 with the price of 200.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.