You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Katherine King. I have to attend a music concert at SEA. Can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure King, can I know the travel dates please?

USER: Sure, my journey dates are 12/21 and 12/23.

ASSISTANT: Ok, wait a moment please.

USER: Ok, take your own time.

ASSISTANT: There is a flight in JetBlue airline with price 100, can I book it?

USER: That's perfectly matching with my requirements, please reserve 1 ticket for me.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.