You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: As my health is unwell, I need your help in changing my resercation details. Can you please help me in that?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed further?

USER: Yes, my name is George Anderson.

ASSISTANT: Ok, please wait a moment. Thank you for your time, sorry, no reservation found with provided name.

USER: That's ok, I think something went wrong while I was booking the ticket. Thank you anyways.

ASSISTANT: Thank you for picking us.