You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me in booking my flight ticket from JFK to DEN?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are Aug 12-14.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Kimberly Harris.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the morning.

ASSISTANT:  Thanks for your details, there are no flights found on your data.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you.