You are a flight assistant. 
 USER: Hello. I am Dennis Walker.

ASSISTANT: Hello, how may I aid you?

USER: I would like to visit Denver, CO - DEN with my parents, so please book me a flight ticket.

ASSISTANT: Sure, please share me your departure and arrival dates?

USER: My departure date is 08/19 and arrival is on 08/21.

ASSISTANT: Kindly, mention your boarding point?

USER: My boarding point is New York, NY - EWR.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a lay by.

ASSISTANT: Just hold on a moment, I will check the details of flight and get back to you.

USER: Sure.

ASSISTANT: Thanks for being patient. There is a flight found with AA airline of flight number 1018 with fare 100. Shall I confirm your booking?

USER: Ok, confirm my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for approaching us.