You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a flight ticket from JFK, can you please help me in making an airline reservation to OAK?

ASSISTANT: Sure, please provide me your travel dates.

USER: My travel dates are Sept 19th and Sept 21st.

ASSISTANT: How many connections do you need?

USER: I need a connecting flight.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel in normal-cost airline.

ASSISTANT: Please forward your name. Ok, please wait.

USER: Joseph Gonzalez. Sure.

ASSISTANT: Thanks for waiting, there are no flights going on your way at this moment.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.