You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my reservation which is done recently due to some health issues, can you please help me?

ASSISTANT: Ok, please can I know your name to proceed to the reservation page and check?

USER: Sure, my name is Christine Smith.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Ok, thank you for waiting. Your reservation has been found and cancellation is done successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome, thank you for choosing our agency.