You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Anderson.

ASSISTANT: How may I assist you?

USER: I would like to book a ticket from DTW to CLT, can you please help me out?

ASSISTANT: Ok, may I know the travel dates to book?

USER: I am travelling on these 06/08 and 06/10.

ASSISTANT: Ok, thank you for providing the details.

USER: My pleasure.

ASSISTANT: Sorry, there are no flights available at your location.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing our agency.