You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help 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?

ASSISTANT: Sure, please provide me your name?

USER: I am Robert Thomas.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for reaching us.