You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: Dorothy Martinez here.

ASSISTANT: How can I help you?

USER: I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it is postponed. Can you help me to change it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not find any reservation on your provided name.

USER: That's Ok, Thank you.

ASSISTANT: Thank you for reaching us.