You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Smith. I would like to cancel my recent reservation, due to sudden demise of my grand father. Can you please help me?

ASSISTANT: How may I serve you at this moment? Sure, please wait for few minutes.

USER: Sure, take your own time.

ASSISTANT: There is no recent reservation found on your name in our records.

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

ASSISTANT: Thank you for reaching us.