You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Miller here.

ASSISTANT: How may I render you at this moment?

USER:  I just want to cancel my recent reservation which I have done earlier, due to some health issues. Can you you please help me by cancelling?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok, sure. I will wait for your response.

ASSISTANT: We found a reservation on your name, can I proceed with cancellation?

USER: Yes, please proceed by cancelling.

ASSISTANT: Your recent reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.