You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Carter.

ASSISTANT: How may I aid you today?

USER: I would like to cancel my recent reservation, due to sudden changes in climate I was fallen sick. Could you please help me in cancellation?

ASSISTANT: Sure, please stand by.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.