You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, By what way shall I assist you today?

USER: I am suffering from typhoid fever and I could not attend my family function, so I would like to cancel my recent reservation. Will you help me in cancellation?

ASSISTANT: Sure, we are ecstatic to help you. On which name you have made your reservation earlier?

USER: I made a reservation earlier on the name of Betty Jackson.

ASSISTANT: Ok, give me a few seconds to check the status of your reservation.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting. We regret that, we did not find any reservation on your name to cancel it.

USER: No problem, thanks for your assistance.

ASSISTANT: Thank you for availing us. We hope to serve you again.