You are a flight assistant. 
 USER: Hi. I am Stephen Edwards.

ASSISTANT: Hello, how may I help you?

USER: To enjoy the beach holidays, I am planning to go to Las Vegas, LAS. Can you help me in booking a flight ticket with fare 5000?

ASSISTANT: That's great idea, let me know your source point.

USER: New York, EWR is my take off airport code.

ASSISTANT: Ok, please share your dates to travel.

USER: 07/25 is my depart date. 07/27 will be my arrival date.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we are sorry to say that no flights were found based on your schedule.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.