You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to health issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, can I know your name?

USER: My name is Emma Clark.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: We found your reservation and cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.