You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Jonathan King. Can you please assist me in booking a flight ticket to LAS from ATL?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Kindly assign me your trip dates?

USER: My trip dates are from May 06 to May 08.

ASSISTANT: Do you need any halt?

USER: I need a direct flight.

ASSISTANT: Can you share me your class preference?

USER: I am comfortable with any class.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for giving your valuable time, but there are no flights available based on your request.

USER: Ok, no problem. I will try with another alternative, thank you.

ASSISTANT: Thank you for choosing us.