Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, may I know your name please?
assistant
My name is Samantha Perez.
user
We found a reservation with your given name, please share your new journey dates.
assistant
My journey dates are Mar 04 and Mar 06.
user
May I know your source and destination airport codes?
assistant
My travelling airport codes are DTW to DFW.
user
Do you want connecting flight?
assistant
I need a direct flight.
user
Do you have any other requirements?
assistant
I want to return in evening.
user
Sorry, there are no flights found with your given details.
assistant
That's ok, thank you for checking.
user
Thank you for opting us.
assistant