You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to meet my client at Detroit, please help me in booking a ticket from CLT to DTW.

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

USER: My planned travel dates are on Dec 16 and Dec 18.

ASSISTANT: Do you need any break?

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

ASSISTANT: May I know your name?

USER: My name is Margaret Campbell.

ASSISTANT: Is there any other specifications?

USER: No, thank you for asking.

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 for your information.

ASSISTANT: Thank you for reaching us.