You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Patricia Williams here. I want to attend a seminar on fashion designing, could you book my ticket from DFW to OAK?

ASSISTANT: Sure, can I know your travelling dates?

USER: My itinerary dates are Sept 26 and Sept 28.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Book the ticket in the name of Patricia Williams.

ASSISTANT: Do you have any connection limit?

USER: I prefer economy class in a connecting flight.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.