You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: As I am a scientist, I want to attend science festival with my students at Philadelphia.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure, we are pleased to serve you. May I know your trip dates?

USER: Dates are 09/16 and 09/18.

ASSISTANT: May I know your airport codes?

USER: My airport codes are OAK-PHL.

ASSISTANT: On what name, I have to reserve the ticket.

USER: Raymond Robinson here.

ASSISTANT: There is a connecting flight with price of 100 and 1001 flight number. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.