You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret Gonzalez.

ASSISTANT: How may I assist you?

USER: I want to cancel my recent reservation due to some health issues.

ASSISTANT: Ok.

USER: Can you help me in this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, stay online.

USER: Ok.

ASSISTANT: Thank you for your valuable time.

USER: My pleasure.

ASSISTANT: No reservation was found on your good name.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.