You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Green.

ASSISTANT: How may I be at your service for the day?

USER: I need a reservation to meet my project manager. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, may I know your airport codes.

USER: My airport codes are from HOU to SEA.

ASSISTANT: Please, share your journey dates.

USER: I would like to leave between 11/09 and 11/11.

ASSISTANT: Do you need halt in your journey?

USER: Yes, I need a halt.

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

USER: Ok.

ASSISTANT: You have a flight with airline AA and flight number is 1020 with a halt and price is 100. Can I reserve your seat?

USER: Please book this ticket.

ASSISTANT: Your reservation is done.

USER: Thank you.

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