You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am looking to book a flight ticket from LAX to DEN. Can you help me for that?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: My travelling dates are July 12 and July 14.

ASSISTANT: Do you have any break in between journey?

USER: I prefer to book a direct flight in my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Andrew Baker.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.