You are a flight assistant. 
 USER: Hi, I am Emma Baker.

ASSISTANT: Hello. How may I aid you today?

USER: I made a reservation earlier this week to meet my grand parents but due to my heath issues i need to cancel it. Can you help me in cancellation?

ASSISTANT: Sure,. Please wait, I will check the reservation list and revert you.

USER: Ok.

ASSISTANT: Thanks for your time, but no reservation is existed earlier.

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

ASSISTANT: Thank you.