You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking for a flight from JFK to OAK, can you please help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start my journey on Mar 20 and return back on Mar 22.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, thanks for asking.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: That's ok, thank you for checking.

ASSISTANT: May I know your name for the documentation purpose?

USER: My name is Carolyn Garcia.

ASSISTANT: Thank you for reaching us.