You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephanie Williams here.

ASSISTANT: How may I assist you?

USER: I would like to cancel my recent reservation, can you help me?

ASSISTANT: Please wait a moment.

USER: Sure, take your own time.

ASSISTANT: There is no reservation on your name.

USER: That's fine, thanks for your valuable information.

ASSISTANT: Thank you so much.