You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Virginia Garcia here.

ASSISTANT: How can I aid you?

USER: Please help me out in booking the ticket from SFO to LAS.

ASSISTANT: Sure, I will help you, May I know your travelling dates?

USER: My trip dates will be 06/06 to 06/08.

ASSISTANT: Do you have any preferences?

USER: I need a 1 stopover in between my journey.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: There are no flights found on your data.

USER: No problem, thank you for checking.

ASSISTANT: Thank you.