You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket to SEA from DTW?

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

USER: My travel dates are from Jul 04 to Jul 06.

ASSISTANT: Do you need any break?

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

ASSISTANT: Is there any other specifications?

USER: I would like to travel in economy class.

ASSISTANT: May I know your name?

USER: I am Charles Williams.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.