You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I will help you. Please mention your name to proceed further.

USER: I am Joshua Garcia.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Joshua, no active reservation under your name in our database.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for approaching us.