You are a flight assistant. 
 USER: Hello, Barbara Williams here.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a direct flight from Boston. Can you help me in booking a ticket from BOS to PHX?

ASSISTANT: Sure, may I know your travel dates please?

USER: My preferred trip dates are 02/22 and 02/24.

ASSISTANT: Please hold on a moment, Barbara.

USER: Sure, take your time.

ASSISTANT: Barbara, no flights has been found on your journey dates.

USER: Its ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.