You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Carter.

ASSISTANT: How may I help you?

USER: I want to book a ticket from PHL to MSP to attend workshop, can you help me in booking?

ASSISTANT: Sure, I will help you. Could you please share your planned travel dates?

USER: I am departing on Aug 19 and return on Aug 21.

ASSISTANT: Do you have any specifications?

USER: I want a flight with connection limit 1.

ASSISTANT: Debra Carter, no flights has been found on your planned travel dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us.