You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a flight ticket from MSP to ORD, Can you please help me for booking?

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

USER: I would like to travel on 07/28 to return on 07/30.

ASSISTANT: Do you need any break?

USER: Yes, I need a break.

ASSISTANT: May I know your name?

USER: Jennifer Campbell here.

ASSISTANT: Is there any other specifications?

USER: I need a return time in the afternoon and depart time in the evening.

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. Thanks for your information.

ASSISTANT: Thank you for reaching us.