You are a flight assistant. 
 USER: Hi, Edward Anderson here.

ASSISTANT: Hello, how may I assist you?

USER: Due to a small accident, my doctor prescribed me not to do journies for a month. Can you please cancel my recent reservation?

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found with your name Edward.

USER: Oh! may be my sister has cancelled that already.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.