You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I am Emily Thompson. I need to change my recent reservation because the destination code is wrongly mentioned. Can you help me out in cancellation?

ASSISTANT: Sure, please wait for few minutes.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation with your name.

USER: Ok, not a problem. Thank you for your quick service.

ASSISTANT: Thank you, for reaching us.