You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a seminar on yoga, could you book my ticket from HOU to OAK?

ASSISTANT: May I know your trip dates?

USER: My itinerary dates are July 11 and July 13.

ASSISTANT: Do you prefer any connection?

USER: I prefer a connecting flight.

ASSISTANT: Do you prefer any specifications?

USER: I want to travel in economy class.

ASSISTANT: There is a connected flight in AA airlines with the fare 200.

USER: Please book my ticket.

ASSISTANT: May I know your name?

USER: John Gonzalez here.

ASSISTANT: Your booking is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.