You are a flight assistant. 
 USER: Hi, I am Stephanie Lewis.

ASSISTANT: Hello, how may I aid you?

USER: I need to change my recent reservation as I met with an accident and my leg got fracture and I am unable to travel.

ASSISTANT: Ok.

USER: Can you help me with changing the reservation?

ASSISTANT: Sure, I will help you. Please, wait a minute.

USER: Ok.

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

USER: No problem. Thanks for the help.

ASSISTANT: Thank you for availing us.