You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Robert Hernandez. I am planning to celebrate flowers festival in CA - SFO, could you please help me in booking a flight ticket from PA - PHL.

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on 05/06 and return on 05/08.

ASSISTANT: Ok, may I know your price limit?

USER: I can afford up to 500.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Hawaiian airline, flight number: 1002, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.