You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are Oct 03 and Oct 05.

ASSISTANT: Is there any class preference?

USER: I am fine with any class.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: Do you have any other requirements?

USER: No, thank s for asking.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Virginia Martin.

ASSISTANT: Thanks for your time, there are no flights available on your requested dates.

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

ASSISTANT: Thank you for opting us.