You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to celebrate my friend's birthday in DFW. Can you please make a reservation from SFO?

ASSISTANT: Sure, I'm happy to help you with that. May I know your planned travel dates please?

USER: I want to travel on July 8 and need to return on July 10.

ASSISTANT: Do you prefer stopover in between your journey?

USER: Yes, I prefer a stopover in between journey.

ASSISTANT: May I know your good name please?

USER: My name is Jonathan Martinez.

ASSISTANT: Please let me know if you have any other specifications.

USER: I do not have any other specifications.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.