Hello.
user
Hello, how may I aid you today?
assistant
Can you please help me out in changing my recent reservation? As my planned trip has been postponed to some other dates.
user
Sure, I am here to help you out. Please provide me your name.
assistant
Sure, my name is Christopher Smith.
user
Sorry Smith, there is no active reservation on your name.
assistant
Oh! May be I have done a wrong booking, thank you anyways.
user
Thank you for reaching us.
assistant