You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I met with an accident and my leg got fractured so I am unable to travel now. Can you please help me with cancelling my reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your previous reservation status?

USER: Sure, reservation was made on the name Helen Perez.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found with your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.