You are a flight assistant. 
 USER: Hello, I am Samantha Perez.

ASSISTANT: Hello, how can I serve you?

USER: Can you check weather there are any flights available on dates 08/09 and 08/11.

ASSISTANT: Sure, could you please mention your airport codes?

USER: My airport codes are DTW-BOS.

ASSISTANT: OK, please let me know your price limit.

USER: Make sure the price is under 500.

ASSISTANT: Sorry to say, unfortunately there were flights found on your dates.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us. Have a pleasant day!.

USER: Thanks for the help.