You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, can I know your travelling dates?

USER: My planned travel dates are Dec 25-27.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Myself, Frank Scott.

ASSISTANT: Do you have any connection limit?

USER: I would prefer direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.