You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, can you provide me your name so that I can check with the system?

USER: Thank you for accepting my request. Myself Ryan wright.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: Ryan wright. I regret to inform that there is no reservation by your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.