You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to some problems, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, can you please help me with your name?

USER: My name is Steven Hill.

ASSISTANT: Thank you. Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Steven Hill, I found your reservation and cancelled it successfully.

USER: Thank you for your help.

ASSISTANT: You are most welcome.