You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mary walker.

ASSISTANT: How may I assist you?

USER: Please help me to book a flight ticket, As I want to visit and interact in the National Gallery of Art, with my clients at New York.

ASSISTANT: Sure, help me with your airport codes?

USER: My source airport code is Las Vegas, NV - LAS. My destination is New York, NY - JFK.

ASSISTANT: Kindly assign your travel dates?

USER: I will start my journey on 05/24. I will return on 05/26. I need a direct flight in this journey.

ASSISTANT: We found a direct flight.

USER: Ok. Please, share the flight details.

ASSISTANT: Sorry, we found a connecting flight.

USER: Ok, thank you.

ASSISTANT: Thank you.