You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Deborah Lee from Atlanta. I would like to book a flight ticket from ATL to MSP. Could you please help me with booking.

ASSISTANT: Sure, I will help you. Could you please let me know your travel dates?

USER: My ravelling dates are from 07/05 to 0.7/07.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Lee, there is no flight available on your preferred travel dates.

USER: Not a problem, anyway, thank you for the information.

ASSISTANT: You are welcome and have a nice day.

USER: Thank you for your help in searching.