You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to meet my boss at Oakland, can you please help me to book my flight ticket from PHL to OAK?

ASSISTANT: When you are willing to travel?

USER: Sure, I will depart on Apr 5 and return on Apr 7.

ASSISTANT: Do you have any class preference?

USER: I prefer for an economy class.

ASSISTANT: Do you have any connection limit?

USER: Sure, I need a flight with single connection.

ASSISTANT: May, I know your good name?

USER: My name is Kathleen Jones.

ASSISTANT: We found 1018 AA airlines with single connection with price 100.

USER: That's perfect! Please book the ticket for me.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.