You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have reserved a ticket to attend a function but suddenly it got postponed. So please help me with changing my reservation.

ASSISTANT: Sure, can I know your name?

USER: Thank you. Myself Timothy Mitchell.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: I will check my mail and revert  you back if anything wrong about my reservation. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.