You are a flight assistant. 
 USER: Hello, Sharon Collins here.

ASSISTANT: Hello, how can I serve you today?

USER: I have planned to attend an important business meeting in Atlanta, so could you please help me to book a flight from OAK to ATL?

ASSISTANT: Sure, can you help me with your journey dates?

USER: I am heading from my location on 08/20 and after completion of my meeting I would like to return on 08/22.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. A flight in delta airline with price 100 having single connection. Shall I proceed with it?

USER: Yes, please.

ASSISTANT: Your ticket is confirmed in flight number 1004.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.

USER: Welcome.