You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I have an appointment with my client in HOU. Can you please make a reservation from OAK?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, I want to start my journey on Dec 3 and intend to end it on Dec 5.

ASSISTANT: Ok, could I have your name please?

USER: My name is Ashley Roberts.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I need a direct flight which return in the afternoon time.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight with your requested connection limit.

USER:  Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are welcome.