You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to cancel my recent reservation as my plan to meet my grand parents got postpones due to my health issues?

ASSISTANT: Sure, can you please share your name to proceed further?

USER: I am Catherine Brown.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT:  Thank you for your time, sorry no reservation found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.