You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to book the flight ticket from LAS to OAK. Can you please help me?

ASSISTANT: Sure, I will help you with that. Can you please share your planned travel dates?

USER: My travel dates are Nov 26 and Nov 28.

ASSISTANT: May I know your name please?

USER: Frank Robinson.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1006 in Delta Airlines with  a fare of 100. Would you like to book this ticket?

USER: Please proceed.

ASSISTANT: Frank Robinson, your booking is done in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a safe journey.