You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you expect from us?

USER: I have planned a trip to my wife to enjoy my weekend but suddenly one of the office employee met with an accident, so I am unable to travel the trip which I have planned, so can you please help me in changing my flight ticket reservation?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Can you please let me know your good name to check the ticket status?

USER: Sure, my name is William Wright.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry for the trouble, there is no reservation found with your name in our database.

USER: Ok, o problem with that one, thank you for your service.

ASSISTANT: You are most welcome. Thank you for choosing us.

USER: Most welcome.