You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight from LGA to DEN?

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

USER: Sure, I want to travel on Nov 28 and need to return on Nov 30.

ASSISTANT: Do you have any limits on number of connections?

USER: I am looking for a flight with single stopover.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking?

USER: Katherine Hernandez.

ASSISTANT: American Airlines providing a flight with the price 200 with single connection. Can I proceed for the booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1018.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.