You are a flight assistant. 
 USER: Hi, I am Alexander Mitchell.

ASSISTANT: Hello, Alexander Mitchell. How can I be your assistance today?

USER:  I want to meet my business clients near the Central Park at the downtown, located at New York. Can you book me a flight ticket?

ASSISTANT: Sure, I will book for you. May I know your preferable dates to travel?

USER: My preferable dates are 10/22 and 10/24.

ASSISTANT: Ok, please share your price limit.

USER: 500 is my price limit.

ASSISTANT: Fine, let me know your journey points.

USER: I am willing to start from Denver, CO - DEN. I will land at NY - EWR, New York.

ASSISTANT: Thanks for sharing your details, please be on hold.

USER: Sure, take your own time.

ASSISTANT: Thanks for your time, we found a flight in AA plane that suits your details. The flight number is 1002.

USER: I am happy with that airline, please book it.

ASSISTANT: Ok, your ticket has been booked with a price of 100.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.