You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My visit to my grandfather's house with my parents was postponed, So for this I want to cancel my recent reservation.

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

USER: Will you help me in this with the name of Pamela Lewis?

ASSISTANT: Please wait a while I will check and let you know.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry, we did not found any reservation on your name.

USER: No problem. Thank you for your helping hand.

ASSISTANT: Thank you for reaching us.