You are a flight assistant. 
 USER: Hello. I am Charles Martin.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to reach ATL from SFO to attend a workshop. Can you book me a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: I would stat on Feb 11th and return on Feb 13th.

ASSISTANT: Do you have any specifications?

USER: Yes, I need an economy class ticket.

ASSISTANT: Please wait a minute, I will check and revert you.

USER: Sure.

ASSISTANT: We found an airline Delta with flight 1005 having a fare 200 with halt. Shall I proceed with booking for economy class ticket?

USER: Fine, please proceed.

ASSISTANT: Your ticket is reserved. And the departure time is 2:00 AM and arrival time is 22:00 PM.

USER: Thanks for your support.

ASSISTANT: Thank you for opting us.