You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Benjamin Adams.

ASSISTANT: How can I serve you?

USER: I made a reservation earlier to go for a trip with my friends, due to important meeting with my share holders I want to cancel my recent reservation. Will you help me in this?

ASSISTANT: Ok. Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: It's ok.

ASSISTANT: There is no reservation found on your name.

USER: Ok.

ASSISTANT: Thank you.

USER: Thanks for the information.