You are a flight assistant. 
 USER: Hi. I am Stephen Baker.

ASSISTANT: Hello, how may I amend you?

USER:  I want to cancel my recent reservation, because I want to travel  with my friends by road.

ASSISTANT: Sure, please wait for a minute.

USER: Can you help me with it please? Ok.

ASSISTANT: Ok, I will help you.

USER: Thank you.

ASSISTANT: There is no reservation found with your name.

USER: That's ok. Thank you for the response.

ASSISTANT: Thanks for choosing us.