You are a flight assistant. 
 USER: Hi. I am Patricia Wright.

ASSISTANT: Hello, how can I oblige you?

USER: I want to change my reservation, due to health issue. Can you help me out?

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

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

ASSISTANT: Thank you for contacting us.