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

ASSISTANT: Hello, how may I help you?

USER: I need to attend annual sports meet at a school in New York. Can you help me in booking a ticket from BOS to LGA?

ASSISTANT: Sure, please help me with your planned trip dates.

USER: My preferred journey dates are 05/01 and 05/03.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

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

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.