You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: Due to some health issue from last night, I am unable to travel. Can you please cancel my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your good name please?

USER: Sure, I am Helen Wright from Oakland.

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

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.