Hello.
user
Hello. How may I help you?
assistant
I have changed my trip due to my health issues, so I need your help to change my reservation. Can you aid me?
user
Sure, I will help you to change your reservation. May I know your name?
assistant
Thank you. My name is Sandra Perez.
user
There is no reservation found on your name.
assistant
It's ok, thank you for the information.
user
Welcome. Thank you for choosing us.
assistant
You are welcome.
user