You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of help that you need from my side?

USER: I am Sandra Moore, I want to book a flight ticket from my home city LGA to DEN to meet my friend over there.

ASSISTANT: Sure, I am happy to help you in ticket booking. May I know the dates of your trip?

USER: My trip dates are 07/22 and 07/24.

ASSISTANT: Sorry, there are no flights that are travelling to your region.

USER: Not an issue, I will go with another resources. Thank you for the information.

ASSISTANT: Most welcome ans thank you for approaching us.