You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

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

ASSISTANT: Sure, we are here to help you. May I know your planned journey dates?

USER: I will start my journey on Jan 28 and return back on Jan 30.

ASSISTANT: Do you prefer any way station in between your journey?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I am fine with any class.

ASSISTANT: Do you have any other requirements?

USER: I want to return in morning.

ASSISTANT: May I know your good name please?

USER: My name is Kimberly Turner.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

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

ASSISTANT: Thank you for reaching us.