You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you find a flight for me from SFO to LAS?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Ok, my trip dates are from June 01 to 03.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: Sure, I am Cynthia Hernandez.

ASSISTANT: There is no flights found under your preferable details.

USER: It's ok, thanks for your information.

ASSISTANT: Welcome, have a great day.