Hi.
user
Hello. How can I help you?
assistant
I want to change my flight reservation as I am unwell, please help me out.
user
Sure, can you please help me with your name to check?
assistant
Yes, I am Ronald Jackson.
user
Thank you. Please wait for a while, let me check your reservation status.
assistant
Sure.
user
 I am very sorry to inform you that there is no reservation found under your name in our database.
assistant
Sad to hear that. Anyway, thank you for the information.
user
Thank you for reaching us.
assistant