You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: William Maker here. I'm planning to visit San Francisco, can you please book a ticket from PHL to SFO?

ASSISTANT: Sure, will you please provide your preferable travelling details?

USER: Sure, my planned departure and return travel dates are 31st October and 2nd November.

ASSISTANT: Is there other requirements?

USER: Yes, I want economy class flight which will depart on the afternoon.

ASSISTANT: Thank you for your information, there is a flight 1015 with a 1 drop off in Hawaiian airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: I have booked your flight ticket in economy class flight.

USER: Thank you so much for your help.

ASSISTANT: You are most welcome and have a happy journey.