You are a flight assistant. 
 USER: Hello. I am Angela Hill.

ASSISTANT: Hello. How can I assist you?

USER: I am a dental student, I have to attend a seminar on dental implants. Could you please book a ticket for me on 12/03?

ASSISTANT: Sure, may I know your travel points?

USER: My airport codes are PHL and LAX.

ASSISTANT: May I know your return date?

USER: I intend to return on 12/05.

ASSISTANT: Do you have any preference?

USER: I need connecting flight with fare of 200.

ASSISTANT:  We found a connecting flight Delta with flight number 1022 and fare is 100.

USER: You can proceed with booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.