You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Jacob Scott. I want to change my travel dates in my previous reservation so can you please help me with that?

ASSISTANT: Ok, please wait for a moment.

USER: Ok, thank you for your response.

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

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.