Hi.
user
Hello. How can I assist you?
assistant
My name is Dorothy King. I would like to change my flight reservation as I have to stay for some more days at Houston, can you please help me?
user
Let me check your reservation status in our database to change your reservation.
assistant
Sure.
user
Sorry, we couldn't found any reservation in our database.
assistant
Not an issue. Anyway, thank you for checking.
user
Thank you for reaching us.
assistant