You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

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

ASSISTANT: Sure, may I know your journey dates?

USER: My trip dates are 08/14 - 08/16.

ASSISTANT: Is there any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Catherine Wilson here.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.