You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jeffrey Carter. I want to book a direct flight, will you help me in flight booking?

ASSISTANT: Sure, I can help you. Please provide your travel details?

USER: I want to fly on 06/14 to 06/16.

ASSISTANT: Please share your airport codes?

USER: I am planning to visit Sloan Lake in CO - DEN and my origin from NV - LAS. My price limit is 5000.

ASSISTANT: Sorry to say that there are no flights found on given dates.

USER: Ok, not an issue. Thank you, for your service.

ASSISTANT: Thank you for opting our agency.