You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you?

USER: Please help me in cancelling my earlier reservation to go for a holiday trip as I have some emergency work at my home place.

ASSISTANT: Ok. I will help you.

USER: Thank you.

ASSISTANT: Can I have your name to check the reservation?

USER: My name is Lisa Martin.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Thanks for waiting. There is no reservation found on your specified name.

USER: Ok, no problem. thanks for the response.

ASSISTANT: Thank you for approaching us.