You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from EWR to OAK?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: I want to fly on Mar 27 and return on Mar 29.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I would like to prefer economy class.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Myself Sarah Taylor.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: We found 1004 AA airlines with single connection with economy class.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.