You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Matthew Parker, can you assist me for cancelling my recent reservation, because I am unable to travel at this moment due to health issues?

ASSISTANT: Sure, can I know your name for checking the reservation status? Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Parker, there is no reservation available on your name.

USER: Oh! It's ok, I think my sister already cancelled my reservation. Anyway thank you for your services.

ASSISTANT: You are welcome.