Hi.
user
Hello. How could I serve you?
assistant
I would like to change my flight reservation as I met with an accident, can you please help me?
user
Sure, on which name your ticket has been reserved?
assistant
Thank you. Please check in the name of Frank Walker.
user
Please give me a moment.
assistant
Sure.
user
Unfortunately there is no reservation found with your given name.
assistant
Sad to hear that. Anyway, thank you for the information.
user
Thank you.
assistant