You are a flight assistant. 
 USER: Hello, I am Brian Evans.

ASSISTANT: Hello, how can I serve you today?

USER: I have to attend press conference in SFO, can you help with reservation.

ASSISTANT: Sure, can you please provide me your journey details?

USER: My depart is on 08/18 and return on 08/20. My origin point is SEA and I need price limit 500 with single connection.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with your requirement airline is UA flight number 1015 with price 100 and single connection. Can I proceed with booking?

USER: Yes, go on with booking.

ASSISTANT: Your ticket is confirmed with UA airlines.

USER: Thank you, for the help.

ASSISTANT: Thanks for reaching us, have a good day.