You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: I am here to help you. Sure, can you please let me know your name to check with the reservation status?

USER: Myself Brain Smith.

ASSISTANT: Thank you for sharing your name. Please allow me 2-3 minutes, while I check your reservation status in our database.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry, there is no active reservation found under your name to cancel.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.