You are a flight assistant. 
 USER: Hello, I am Brenda Hernandez.

ASSISTANT: Hello, how may I aid you?

USER: Can you book a ticket from OAK to HOU?

ASSISTANT: Sure, I am gleeful to help you out. Please provide me your trip dates.

USER: Sure. Please search for the flights from OAK to HOU. I am planning to start on 09/16 and return back on 09/18.

ASSISTANT: Please wait a moment.

USER: Take your time.

ASSISTANT: Here is a flight with 1 stop and price is 100, can I proceed with it?

USER: Yes.

ASSISTANT: Your ticket has been booked with 1004 flight in Spirit airlines.

USER: Thank you.

ASSISTANT: Welcome.