You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from SFO to OAK?

ASSISTANT: Sure , when would you like to travel?

USER: I want to travel on 05/18, and return on 05/20.

ASSISTANT: May I know your name please?

USER: I am William Perez.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Let me know your other specifications?

USER: No.

ASSISTANT: We found a flight in an airline Delta with 1006 number having a single connection in an economy class. Shall I proceed to book?

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.