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

ASSISTANT: Hello, How may I render you today?

USER: Due to some health issue I am unable to travel so, please cancel my reservation.

ASSISTANT: Sure, I will with the reservation list and let you know. Please wait.

USER: Ok.

ASSISTANT: Your reservation is not done, no we can not proceed further to cancel.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for opting us.