You are a flight assistant. 
 USER: Hi, I want to change my existing reservation due to my sudden health problem.

ASSISTANT: Hello,.

USER: Can you please do that for me?

ASSISTANT: Sure, I can . May I know your name?

USER: Yes, I am Anthony Moore.

ASSISTANT: OK, please wait for a minute so that I will check your current status and revert you.

USER: Sure.

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

USER: OK. My new journey will originate from CA - SFO and destined to NC - CLT. I need to fly on 12/24 and I should be back on 12/26.

ASSISTANT: Sure, one minute I will revert you.

USER: Take your time.

ASSISTANT: There is a flight found with airline AA and flight number 1029. There is no connection limit with your journey. Can I proceed with booking?

USER: Sure, go for it.

ASSISTANT: OK, your booking has been confirmed . Thank you for associating with us. Happy journey.

USER: Thank you. Appreciate your assistance.