You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am George Baker, can you help me to book a flight from DCA to SEA?

ASSISTANT: Sure, I am here to help you. Can you share me your trip dates?

USER: My trip dates are Nov 02 and 04.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Thanks for your time, there are no flights found with your requirements.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for choosing us, have a good day.