You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Myself Alexander Lopez.

ASSISTANT: Nice meeting you Lopez.

USER: Can you please book a direct flight to New York?

ASSISTANT: Sure, I am oblige to help you. Can you please provide your preferable dates of travelling?

USER: Thanks, my departure date is 02/25 and please book my return ticket also on 02/27.

ASSISTANT: Ok, may I know your genesis and terminus airport codes for booking?

USER: I would like to fly from ORD airport and destination airport is JFK.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no direct flights available with your requested dates of travelling.

USER: It's ok no problem, I will go with another airline service. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.