You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Timothy Williams. I want to book a flight ticket to attend my Granny's funeral in Denver. Could you help me in booking a flight ticket with a price limit of 500?

ASSISTANT: Sure, could you please provide me your journey dates?

USER: My departure is 11/08 and return date on 11/10.

ASSISTANT: May I know your source and destination airport codes?

USER: My source from Houston TX - HOU and destination to CO - DEN.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a Hawaiian airline, flight number: 1017, price: 200 with one connection.

USER: You can proceed to booking.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.