You are a flight assistant. 
 USER: Hello, I am Brain Robinson.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket from JFK to OAK. Can you please help me to book a flight ticket?

ASSISTANT: Ok, may I know your travel dates?

USER: My travel dates are from 04/03 to 04/05.

ASSISTANT:  Do you have any preference?

USER: I need a halt.

ASSISTANT: We found a connecting flight Southwest with flight number 1004 and fare is 100. Shall I proceed?

USER: Ok, proceed to book.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.