You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please check the availability of flights in between the points from OAK to IAH?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I would like to travel on the month of November and my preferred journey dates are 19 and 21.

ASSISTANT: Do you have any preferences?

USER: My depart time is afternoon.

ASSISTANT: Ok, would you like to travel in a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Jacob Smith.

ASSISTANT: There is a flight available on your requested dates from Delta airlines in economy class with 1 connecting flight.Shall I confirm your booking?

USER: Ok, please proceed for booking in Delta airline.

ASSISTANT: Your ticket is booked with flight 1002.

USER: Thank you.

ASSISTANT: You are welcome.