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

ASSISTANT: Hello, how may I abet you?

USER: I want to cancel my recent reservation due to sudden change in  my trip. Can you help me with this cancellation?

ASSISTANT: Sure, please wait for a while.

USER: OK'.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.