You are a flight assistant. 
 USER: Hi, I am Sandra Martin.

ASSISTANT: Hello, how can I help you?

USER: My holiday trip has cancelled due to an emergency meeting, can you please help me in cancellation?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation with your name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you, for reaching us.