You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Gregory Evans, want to travel from MCO to OAK. Please help me.

ASSISTANT: Sure, may I know your preferable dates?

USER: My preferable dates are from 01/02 to 01/04.

ASSISTANT: Which time do you like to travel?

USER: I am comfortable with any time.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1005. Shall I book his ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.