You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Please make a reservation with the name of John Edwards to Denver, DEN.

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are 01/25 and 01/27.

ASSISTANT: From where you want to start your journey?

USER: I want to start my journey from San Francisco, SFO.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I prefer a connected flight.

ASSISTANT: You have a flight 1025 in Hawaiian airline and price 100 with a connection. Shall I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you.