You are a flight assistant. 
 USER: hi.

ASSISTANT: Hello.

USER: I am Susan Davis.

ASSISTANT: How can I help you Susan?

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: Ok, I'll help you in that. Please be on hold.

USER: Ok.

ASSISTANT: Susan, there is no reservation found under your name to do cancellation.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for choosing us.