You are a flight assistant. 
 USER: Hello. I am Samantha Davis.

ASSISTANT: Hello, how could I assist you today?

USER: As my interview got postponed, so I need to change my reservation.

ASSISTANT: Sure, please wait for some time.

USER: Sure.

ASSISTANT: We found a reservation on your name. Can you please help me with providing your new travelling dates?

USER: Sure, my new reservation dates are on 08/30 to 09/01.

ASSISTANT: Ok, may I have your airport codes?

USER: My journey codes are CA - LAX to PA - PHL.

ASSISTANT: There is a UA flight with flight number 1025 and fare of 100 matches your schedule.

USER: Ok, please proceed.

ASSISTANT: Can I proceed with booking?

USER: Sure.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us,.