Hello.
user
Hello, Good Morning.
assistant
My name is Frank Williams.
user
How may I guide you?
assistant
I have already booked my ticket to Houston but due an medical emergency, my trip got postponed.
user
Ok, do you want me to change your existing reservation?
assistant
Yes.
user
I am sorry to inform you that there are no reservations with your name.
assistant
No issues. Thank you for your information.
user
Thank you, have a good day.
assistant