You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to visit Times Square at New York, I want to book a ticket. Please help me out.

ASSISTANT: Sure, I am here to help you. Please share your airport codes?

USER: My airport codes are from LAS to JFK.

ASSISTANT: Ok, let me know your travelling dates to proceed further?

USER: My planned dates are from 07/22 to 07/24.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, no flights as per your details. May I know your name please?

USER: My name is Donald Martin.

ASSISTANT: Martin, thank you for reaching us.

USER: Thank you for your information.