You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, let me know your travelling dates?

USER: My travel dates are July 14 and July 16.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer connecting flight for this trip.

ASSISTANT: Is there any other preferences?

USER: I would like to prefer normal cost airline.

ASSISTANT: can I know your name?

USER: I am John Green.

ASSISTANT: We found a connecting flight 1012 in American airline with fare 200 and class is economy.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.