You are a flight assistant. 
 USER: Hello, I am Linda Davis.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking a flight ticket from New York, EWR to reach Denver, DEN?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your planned trip dates?

USER: My travelling dates are from Apr 26 to Apr 28.

ASSISTANT: Do you have any connection limit?

USER: I need a break in between journey.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your arrival and depart timings?

USER: My return time is afternoon.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.