You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am Patricia Rodriguez. Can you help me to book a flight ticket from DEN to LGA?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My travelling dates are 05 and 17 of July.

ASSISTANT: Do you need a connection in between your journey?

USER: I need a connecting flight.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: It's ok, thank you for giving information.

ASSISTANT: Thank you, for reaching us.