You are a flight assistant. 
 USER: Hello, I am Emma Allen.

ASSISTANT: Hello, how can I help you today?

USER: I am a techie and I need to attend a workshop on Oracle in Las Vegas with my colleagues. Could you please help me in making a plane reservation with fare 200?

ASSISTANT: Sure, could you please provide me your travel dates?

USER: My travel dates are 01/19 and 01/21.

ASSISTANT: May I know your source and destination airport codes?

USER: My airport code is NV-LAS.

ASSISTANT: Do you want connecting flight?

USER: I need a direct flight.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: Ok, no issues at all. Thank you.

ASSISTANT: Thank you for choosing us.