Hello, myself Susan White.
user
Hello, how may I help you?
assistant
I want to do some changes in my existing reservation because I did not get the concert tickets, so planning to travel on another date, can you please help me?
user
Yes sure. Please give me a moment to check.
assistant
Sure.
user
No reservation found for this search. Sorry. Thank you for reaching us.
assistant
No problem, thank you for checking.
user