You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Jeffrey Evans here. I'm planning to visit Seafood festival at SEA, please book a ticket from PHL.

ASSISTANT: Sure, may I know your connection limit?

USER: Yes, it is 1.

ASSISTANT: May I know your planned travel dates?

USER: Sure, my planned departure and return travel dates are 20th and 22nd of July.

ASSISTANT: Do you have any other requirements?

USER: Yes, my departure time must be afternoon.

ASSISTANT: Sorry, there are no flights found with your given details.

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

ASSISTANT: Thank you for opting us.