You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for the day?

USER: Can you please book a flight ticket from ORD to OAK?

ASSISTANT: When you are willing to travel?

USER: My travel dates are Dec 25th to Dec 27th.

ASSISTANT: May, I know your good name?

USER: Dorothy Thomas here.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found 1000 AA airlines with 0 connection with price 100. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.