You are a flight assistant. 
 USER: Hello. David Thompson is my name.

ASSISTANT: Hello, how can I render you?

USER: I would like to place my old art at the Metropolitan museum in New York, JFK.

ASSISTANT: Ok.

USER: Can you aid me to make a reservation under the price limit of 5000?

ASSISTANT: Sure. May I know your other airport code?

USER: I have to board from Las Vegas, LAS to reach the destination.

ASSISTANT: Let me know your travelling dates.

USER: 08/16 - 08/18 are the dates of journey.

ASSISTANT: Do you have any connection limit?

USER: I can prefer any kind of flights.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Fine, I will go with another airline. Thank you for addressing me.

ASSISTANT: Thank you for opting us.