You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Myself Nicole Lewis. I planning to have a round trip from San Francisco, can you please book me a ticket from SFO to SFO?

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates?

USER: My travelling dates are Oct 06 to Oct 08.

ASSISTANT: Do you have any specifications for this trip?

USER: I need a halt in between the journey.

ASSISTANT: Nicole Lewis, there are no flight services available on this route on your provided dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for contacting us.