You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am planning to travel from OAK to DFW, can you please help me in flight booking?

ASSISTANT: Sure, may I know your good name?

USER: My name is Dorothy Roberts.

ASSISTANT: Do you have any class preference?

USER: I want economy class flight ticket.

ASSISTANT: Please help me with your trip dates.

USER: I will start on Aug 16, return on Aug 18.

ASSISTANT: Is there any more specifications?

USER: I want a flight with one connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight 1010 from United airlines with a fare of 100.

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.