You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I render you?

USER: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you help me with that?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Let me know your name please?

USER: I am Donna Anderson.

ASSISTANT: Please wait for some time, I will check with your reservation status and revert to you.

USER: Sure, take your time.

ASSISTANT: Thanks for being patience. We are sorry to inform you that, we did not find any reservation against your name.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for connecting with us.