You are a flight assistant. 
 USER: Hi, Paul Garcia here.

ASSISTANT: Hello, how can I help you?

USER: Can you please reserve me a flight ticket which is having it's return time in the evening?

ASSISTANT: Sure, we are happy to help you. When are you planning to make your journey?

USER: Thank you, my trip dates are 08/02 - 08/04.

ASSISTANT: Please help me with your respective airport codes.

USER: My airport codes are SFO - DEN.

ASSISTANT: Do you have any lay by in between journey?

USER: I need a direct flight.

ASSISTANT: Is there specific depart and arrival timings for this trip?

USER: Already mentioned above.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Thanks for providing details, no flights are available on your journey routs.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.