You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Due to some health issue, I need to cancel my reservation. Will you please cancel it,  that exist with name Emily Nelson?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation exists with your name.

USER: It's ok. Thank you.

ASSISTANT: Thank you for contacting us.