Hi.
Hello, how may I render you?
I just want to change an existing reservation as my plan to meet my grand parents got postpone due to my  health issues, can you help me with this?
Sure, I can help you. May I know your name?
I am Rebecca Scott.
Please give me a moment to check your ticket status.
Sure.
Sorry Rebecca Scott, no reservation is available by your name.
Ok, not an issue. Thank you for your information.
Thank you for reaching us.