Hello.
user
Hello. How can I help you?
assistant
I have an important meeting to attend on my journey dates. Can you help me in changing my existing reservation?
user
Can you please provide the name on which the reservation has been confirmed?
assistant
My name is Michelle Roberts.
user
Sorry, there is no reservation found by your name.
assistant
That's fine, thank you for the information.
user
Thank you and have a nice day.
assistant