You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Melissa Brown. My father got hospitalised, so I want to cancel my reservation. Please help me with that.

ASSISTANT: Sure, I can help you with that. Please allow me a moment to check the details for you.

USER: Ok. Take your time.

ASSISTANT: Melissa, I have checked and see that there is no reservation found under your name.

USER: Ok, no problem. Thank you for your information.

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