You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Justin Garcia. Can you book a flight ticket for me to LAS from PHL to attend a convocation meeting?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you and my planned trip dates are 12/17 and back on 12/19.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1000. Shall I book this ticket?

USER: That is perfectly matching to my intent, you can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your immediate help in my ticket booking.

ASSISTANT: Thank you so much.