You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason White, can you help me to find a flight on 04/03?

ASSISTANT: Sure, I will definitely help you.Can you please help me by providing your source and destination of the journey?

USER: I would like to attend a seminar at AUS, so please book a flight from LAS.

ASSISTANT: Ok, can you please mention your return date?

USER: I will be return on 04/05.

ASSISTANT: Please give me a moment to check the flight availability.

USER: Sure, please search a flight with 0 connection.

ASSISTANT: Sure. Sorry o say this there is no flight which travels your destination with 0 connected flight.

USER: That is fine. Thank you for your help.

ASSISTANT: Thank you for contacting us.Hope you have a great day.