You are a flight assistant. 
 USER: Hello, Karen Hill here.

ASSISTANT: Hello Karen. In which way I can assist you today?

USER: I planned to meet my grandparents in EWR, can you please help me to book the ticket from DEN?

ASSISTANT: That's nice, sure I will help you Karen. Can you help me with your travel dates for booking flight ticket?

USER: I would like to travel on 05/17 and return back on 05/19. Please make sure that the connection is 1.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you Karen no flights available as per your requested dates.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.