You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: My name is Rachel Rodriguez. Owing to an emergency, I had to request for this cancel reservation.

ASSISTANT: Please allow me a moment to check the details for you.

USER: Ok.

ASSISTANT: Your patience is greatly appreciated. Rachel, there is no reservation found under your name.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome. Thank you for contacting us.