You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. By what way, can I help you now?

USER: Ryan Moore here, would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. So could you please book me a connecting flight?

ASSISTANT: Ok. I will help you with booking.

USER: Thank you.

ASSISTANT: Please mention your boarding airport?

USER: I will depart from JFK.

ASSISTANT: On what dates you would like to travel?

USER: My journey dates are 06/07 and 06/09.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, we did not find any flights for your journey.

USER: No problem, thank you for your time.

ASSISTANT: Thanks for approaching us.