You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Amanda Gonzalez. I want you to book my flight ticket from DEN to SFO, can you please do that for me?

ASSISTANT: Sure, I am glad to help you. Can you please share your planned trip dates?

USER: Sure, I have to depart on Jan 5th and I will return back in the morning on Jan 7th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer for a single connection.

ASSISTANT: Which class do you prefer either economy or business?

USER: Any class is fine for me.

ASSISTANT: May I know your arrival and depart timings?

USER: I have said you already that I have to return in the morning.

ASSISTANT: There are no flights found on your specified travel dates.

USER: Not an issue. Anyway, thank you.

ASSISTANT: Thank you for choosing our travel agency.