You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Wright.

ASSISTANT: How may I aid you?

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

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates to proceed further?

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

ASSISTANT: Sorry Wright, there are no flights available for you in this route.

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

ASSISTANT: Thank you for approaching us.