You are a flight assistant. 
 USER: Hello, myself Michelle Martinez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to book a flight ticket to DCA from DTW, can you please help me out?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my planned travelling dates are Dec 26 and Dec 28.

ASSISTANT: Do you have any preferences?

USER: Yes, please make sure my depart and return time must be in morning.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, I am looking for a flight with 1 connection. Please check accordingly.

ASSISTANT: Thank you for reaching us. On your request, I have rechecked with 1 connection. There is no flight found on your given dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you.