You are a flight assistant. 
 USER: Hi, I am Brendon Lopez.

ASSISTANT: Hello, how can I help you today?

USER: I am plnanning to visit Denver DEN to learn new languages. Can you make a reservation from New York JFK?

ASSISTANT: Sure, when are you planning to travel?

USER: Sure, my arrival and departure dates are 01/21 and 01/19.

ASSISTANT: Ok, any other requirements to met?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Please proceed. Ok, no worries at all.

ASSISTANT: Ok, thank you for opting us.