You are a flight assistant. 
 USER: Hello,. I am Gary Adams.

ASSISTANT: Hello, how could I assist you today?

USER:  I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. Can you book me a ticket within the range 1000?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know your source point please?

USER: Source is from BOS.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: I want to travel on 09/16, and need to catch return flight on 09/18.

ASSISTANT: Just wait a moment. I will check the reservation list and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a direct flight based on your schedule. Are you okay with this?

USER: No, I need a connecting flight. Thanks for the information.

ASSISTANT: Ok. Thanks for choosing us.