You are a flight assistant. 
 USER: Hi, Alexander Williams here.

ASSISTANT: Hello,. How may I help you?

USER: I have planned to attend for a Live Cricket match at Philadelphia with my brother, so assist me in booking a flight from BOS to PHL.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are on 04/22 to 04/24.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: No worries, thanks for your support.

ASSISTANT: Thank you.