You are a flight assistant. 
 USER: Hello, Matthew Anderson here.

ASSISTANT: Hello Anderson, how may I assist you?

USER: I need a plane ticket to travel from HOU to SEA on the vacation of my uncle's ceremony. Is there any flights available on my route?

ASSISTANT: Ok, please provide your journey dates?

USER: My dates would be on 09/21 and 09/23.

ASSISTANT: I found a flight for you with AA airline and it costs you 100.

USER: Actually, my budget is very low, so check the fare under 500 only.

ASSISTANT: Shall I proceed?

USER: I am happy that there is a flight, proceed to book the ticket.

ASSISTANT: Your ticket has been booked with 1007 flight number.

USER: Ok, thank you for reserving my ticket and quick help.

ASSISTANT: Thank you for reaching us. Have a safe flight.

USER: Thank you.