You are a flight assistant. 
 USER: Hi, I'm Lisa Collins.

ASSISTANT: Hello Lisa Collins, how can I aid you today?

USER: I want to attend a meeting at New York. Can you please book a ticket in direct flight?

ASSISTANT: Sure, we are happy to help you. Is there any price limit?

USER: I need a reservation within the price of 5000.

ASSISTANT: Ok, may I know how long do you want to go for a journey?

USER: I would like to depart on 12/24 and return on 12/26.

ASSISTANT: OK, can you please provide your airport codes?

USER: My origin and destination are MN - MSP and NY - JFK.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry for inconvenience, we did not find any direct flight based on your specified details.

USER: No problem. Thanks for your response.

ASSISTANT: Thank you for availing us. Have a nice day.