You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Alexander Hill here.

ASSISTANT: How can I assist you  at this moment?

USER: Can you please help me in cancelling my recent reservation? As my health is not in a good condition to do journeys.

ASSISTANT: Sure Alexander Hill, I will help you with that.

USER: Ok.

ASSISTANT: Please wait a moment.

USER: sure, I'll wait for some time.

ASSISTANT: Sorry Alexander Hill, no reservation has found under your name to cancel.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for choosing us, have a good day.