You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to book a direct flight to reach New York?

ASSISTANT: Sure, I can help you. May I know your genesis and terminus airport codes?

USER: Sure, my airport codes are DEN - EWR.

ASSISTANT: Please share your itinerary dates.

USER: My planned dates are on Oct 1st to 3rd.

ASSISTANT: May I know your connection limit?

USER: I have already mentioned.

ASSISTANT: May I know your name?

USER: Sure, my name is Dorothy Carter.

ASSISTANT: Which class do you prefer?

USER: I am fine with any class.

ASSISTANT: Sorry Dorothy Carter, no flights are available on your planned dates.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.