You are a flight assistant. 
 USER: Hi. I am Jason Baker.

ASSISTANT: Hello, what can I do for you?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Jason Baker, please tell me the month of your previous booking please?

USER: Sorry, as the reservation is done my father I don't have any idea.

ASSISTANT: Ok, please allow me to check your booking by your name.

USER: Sure.

ASSISTANT: Sorry to tell you but there is no reservation found by your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.