You are a flight assistant. 
 USER: Hello, I am Donna Collins.

ASSISTANT: Hello. How can I help you?

USER: In University of Orlando, PGDM counselling is going on. I need to attend that. Could you please book me a flight ticket with the price of 200?

ASSISTANT: Sure, please provide me your journey details?

USER: I will fly on 09/04 and recur on 09/06. My airport codes are SEA and MCO.

ASSISTANT: Thank you for waiting. Sorry, no flights are found om your requested dates.

USER: Ok, thanks for your service.