You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please reserve me a flight ticket from LAS to OAK?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: My trip dates are 12/18 - 12/20.

ASSISTANT: May I know your name to fill our reservation form?

USER: I am Virginia Thomas.

ASSISTANT: Do you have any flight specifications?

USER: I need a normal - cost airline with a single connection.

ASSISTANT: Is there any other requirement?

USER: No, thank you for asking.

ASSISTANT: Sorry Virginia Thomas, there is no flight in your route as per your requirement.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.