You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michelle Davis.

ASSISTANT: How can I assist you today?

USER: Owing to an emergency, I want to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Michelle Davis, there is no reservation found under your name.

USER: Ok, no problem. Thank you for your quick response.

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