You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a ticket from DEN to EWR. Can you please help me out?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I am planning to travel on Mar 19 and return back on Mar 21.

ASSISTANT: May I know your name?

USER: My name is Kenneth Phillips.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

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

USER: That's fine, thank you for your service.

ASSISTANT: Thanks for approaching us.