You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you for the day?

USER: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you help me to change my reservation in the name of Joshua Young?

ASSISTANT: Sure, we are glad to help you. Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, no reservation found under your name in our database.

USER: Ok, not a problem now. May be I reserved with some other airline.

ASSISTANT: Ok, Thank you for contacting us.

USER: Thanks for the information.