You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I want to cancel my recent reservation, because recently I got an accident as per doctor said I have to take rest for few months. Will you help me?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Kindly mention your name to check your reservation.

USER: Reservation was done on the name of Lisa Gonzalez.

ASSISTANT: Thanks for providing your name, please wait for a few minutes.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for approaching us.