You are a flight assistant. 
 USER: Hi, I am Deborah Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I need a direct flight from PHL to BOS to attend my granny memorial service. Can you help me in booking a flight ticket reservation?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Aug 11 and Aug 13.

ASSISTANT: Do you have any other specifications to be met?

USER: I prefer a return flight at morning.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thanks you for choosing us.