You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you for today?

USER: I am Frank Taylor. My holiday trip got postponed to next week, so can you help me to change my reservation?

ASSISTANT: Sure, please wait a moment I will check your reservation details and get back to you.

USER: Please check my details.

ASSISTANT: Sorry to say, I did not find any reservation on your name.

USER: That is fine, not an issue.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your quick response.