You are a flight assistant. 
 USER: Hello. I am Samuel Parker.

ASSISTANT: Hello, how can I support you?

USER: As my interview got postponed, I need to change my reservation. Can you please help me?

ASSISTANT: Ok. I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a reservation found on your name. Please share your journey details.

USER: My new airport codes are from PHL - IAH.

ASSISTANT: Could you please share your trip dates?

USER: My travelling dates are 12/31 to 01/02.

ASSISTANT: Thank you for sharing details.

USER: Ok.

ASSISTANT: There is a flight with airline: Delta, flight number:1020, price 200, 1 connection. Shall I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your booking.

ASSISTANT: Thank you for reaching us.