You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth Hernandez.

ASSISTANT: How may I assist you?

USER: Can you please book a flight from ORD to LGA?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: Sure, I want to travel on Dec 26 and need to return on Dec 28.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know the specific timings of your journey?

USER: Sure, I want to depart in the morning time and need to return in the evening time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Kenneth Hernandez, no flights has been found on your planned travel dates.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.