You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Please help me to cancel my recent reservation as my plan to meet my grand parents got postponed due to my health issues.

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Thank you. I am Michelle Phillips.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation against your name in our database.

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

ASSISTANT: Thank you for choosing us.