You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Gregory Thompson. I am planning to attend music concert at ATL, can you please help me with booking a  flight ticket from SFO?

ASSISTANT: Can you please provide your journey dates?

USER: Sure, I would like to take off on 11/21 and return back on 11/23.

ASSISTANT: Please give me a  minute.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airlines. Is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is confirmed.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for contacting us.