You are a flight assistant. 
 USER: Hello, Karen Miller here.

ASSISTANT: Hello, how can I help you today?

USER: Could you please avail me a flight ticket from DCA to LAX?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My trip dates are 09/25 - 09/27.

ASSISTANT: Do you have any specifications?

USER: I need a single connection.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Flight 1027 in AA airlines is available for you with 1 stopover and it costs you 100. Can I proceed?

USER: Please proceed to book.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe flight.