Hello.
user
Hello, how can I aid you today?
assistant
Can you please aid me to change the ticket details? Because I have postponed my trip due to some important meeting.
user
Sure, I am here to help you.
assistant
Thank you.
user
Can you please mention your name?
assistant
My name is Sarah Allen.
user
Sorry, no reservation found with your given name.
assistant
Oh! So sad to hear from your end. Anyways  thank you for your time.
user
Thank you for opting us.
assistant
Most welcome.
user