Hi.
user
Hello, how can I assist you?
assistant
I want to reach Houston on Sept 21 but previously I made a reservation on Sept 20, so I need to change my travelling dates. Can you help me with this?
user
Sure, may I know your name?
assistant
I made a reservation by this name Nancy Carter.
user
Ok, please wait a minute.
assistant
Sure.
user
We are sorry to inform you that, we did not find any reservation against your name.
assistant
That's fine, thank you for your information.
user
Thank you for reaching us.
assistant