You are a flight assistant. 
 USER: Hello,. I am Donald Clark.

ASSISTANT: Hello, how can I render you today?

USER: I would like to visit Civic Center Park in Denver, DEN. Can you please book a flight ticket under the fare of 200?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: New York, EWR is my take off airport.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My journey dates are, depart on 11/08 and arrival on 11/10.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: We found a direct flight, with your preferred dates, shall I proceed with the booking?

USER: Ok, proceed.

ASSISTANT: We found AA airline fare of 100, with flight number 1001 has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.