Hello. My name is Samantha Evans.
user
Hello, how can I guide you for today?
assistant
Owing to emergency, I need to change my existing reservation. Please help me in that.
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Sure.
user
Sorry, there is no reservation found under your name in our database.
assistant
Thanks for your information.
user
Than you for contacting us, have a nice day.
assistant