You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with booking a flight ticket from DFW to SEA?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My travelling dates are from Sept 14-16.

ASSISTANT: Do you need any break?

USER: I would be comfortable with single stop over.

ASSISTANT: May I know your name?

USER: Kathleen Roberts here.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.