You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am invited to inaugurate Google in SFO, can you help me to book the flight ticket on 05/08?

ASSISTANT: Ok, provide me your journey points?

USER: Sure, I will board from BOS.

ASSISTANT: May I know your travel dates?

USER: I will return on 05/10.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt in between my journey. I can pay up to 1000.

ASSISTANT: Sorry, only direct flights are available.

USER: Ok, not an issue. Don't proceed with the booking. Thank you.

ASSISTANT: May I know your name?

USER: Sure, I am Nicole Evans.

ASSISTANT:  Thank you.