You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Ashley Wright. I want to meet my old friends at Boston, BOS, can you please book me a ticket from Denver, DEN.

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Please provide me your journey dates so that I can check the availability of flights.

USER: Sure, I have planned to travel dates on 12/05 and 12/07.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: We found a direct flight at this moment. Can I reserve it?

USER: Sorry I need connecting flight. Don't proceed for booking.

ASSISTANT: There are no connecting flights found. Ok.

USER: Thank you.

ASSISTANT: Thank you for choosing us.