You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I render you?

USER: I need a direct flight to travel to NV - LAS from NY - JFK. Can you be my helping hand in booking a flight ticket?

ASSISTANT: Sure, please share your travelling dates.

USER: I will return on 10/02 and start on 09/30.

ASSISTANT: To proceed with booking I need your name.

USER: My name is Edward Rodriguez.

ASSISTANT: Sorry, there is no flights available from your source on given dates.

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.