Hi, my name is David King.
user
Hello, how may I serve you today?
assistant
Owing to an emergency, my exam got postponed to future dates, can you help me in changing my existing reservation?
user
Sure, please wait a moment.
assistant
Sure.
user
Unfortunately there is no reservation on your name.
assistant
Ok, no issues, thanks for your support.
user
Thank you so much for communicating us.
assistant