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

ASSISTANT: Hello,. How can I help you today?

USER: I want attend press conference in Philadelphia, can you help me with reservation.

ASSISTANT: Sure, may I know your journey dates?

USER: My depart is on 06/21 and return on 06/23.

ASSISTANT: Can you please provide your source and destination codes?

USER: Sure, my origin is OAK and destination is PHL.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you, for waiting. We are glad to say that, there is an airline: Frontier, flight number: 1015. Shall I proceed to booking?

USER: Yes, go on with booking.

ASSISTANT: Your booking is reserved with your name.

USER: Thank you, for the help.

ASSISTANT: Thank you, for connecting with us.