You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Suddenly I got a call from my project manager to attend the meeting on the same departure date, so I am looking to change my travel dates. Can you please help me in changing the details?

ASSISTANT: Sure, may I know your name?

USER: My name is Rachel Jones.

ASSISTANT: There is no reservation on your name.

USER: It's ok, thank you for searching.

ASSISTANT: Thank you.

USER: You are welcome.