You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: My name is Kathleen Garcia. I am looking to book a plane ticket from DTW to DFW, can you please help me out?

ASSISTANT: Ok, please mention your travelling dates for this journey.

USER: Sure, I want to journey on these dates that is from 04/27 to 04/29.

ASSISTANT: Kathleen Garcia, please wait for a moment till I check with reservation for you.

USER: Ok.

ASSISTANT: Sorry to inform you, no flights are currently available for you.

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

ASSISTANT: Thank you for reaching our agency, have a great day.