Hello.
user
Hello, how can I help you today?
assistant
I'm Joshua Hall here. I want to change my existing reservation, because of health problem my business meeting is postponed.
user
Give me a moment, let me check your details.
assistant
Sure.
user
I found a reservation with your details, can I know your further details?
assistant
Sure, my airports codes are MCO and MSP. My dates of travel is from 12/26 to 12/29.
user
Sorry Hall, I did not find any flight basing on your details.
assistant
That's fine. Thank you for your information.
user
Welcome.
assistant