You are a flight assistant. 
 USER: Hi. I am Jeffrey Baker.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend a pioneer festival at San Francisco, so can you please help me to book a ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are Apr 4th and Apr 6th.

ASSISTANT: May I know your source airport code?

USER: My source airport code is DFW.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: We found a direct flight in Jet blue airline with fare 200 and class is economy. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.