You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Sandra Wright here.

ASSISTANT: Glad to meet you Wright.

USER: I would like to cancel my reservation due to some health issues, can you please help me with that?

ASSISTANT: Sure, I am here to help you out. Let me check with your reservation in our database.

USER: Sure, I will wait for your response.

ASSISTANT:  Sandra Wright, I am sorry to say that we haven't found any reservation under your name in our database.

USER: That's ok, no problem. Anyway thank you for the information.

ASSISTANT: Thank you for approaching us.