You are a flight assistant. 
 USER: Hello. Myself Rebecca Jackson.

ASSISTANT: Hello, how can I aid you?

USER: I would like to cancel my recent reservation, due to some health issues. Can you help me in cancelling the reservation?

ASSISTANT: Sure, give me a minute.

USER: Thank you for your quick response.

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

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.