You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from OAK to SFO, can you please book a flight ticket?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: On what dates you want me to make the reservation?

USER: My travelling dates are Mar 15 and Mar 17.

ASSISTANT: Do you need any break?

USER:             Yes, I need a break.

ASSISTANT: May I know your name?

USER: My name is Helen King.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

ASSISTANT: We found a connecting flight with an Delta airlines, flight number:1002. Can I reserve it?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.