You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Stephanie Brown.

ASSISTANT: How may I assist you?

USER: My friend wants me to book a ticket from OAK to DEN, can you please help me?

ASSISTANT: Can you please mention your trip dates?

USER: My trip dates are 07/27 and 07/29.

ASSISTANT: Give me a moment.

USER: My connection limit should be 0.

ASSISTANT: Sorry, there is no flight with 0 connection.

USER: It's ok, no problem.

ASSISTANT: Ok.

USER: Thank you for checking.

ASSISTANT: You are welcome. Have a nice day.