You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I need to change my reservation as my plan to go for an adventure trip got postponed. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: I am Jacob Adams.

ASSISTANT: Give me a minute. Sorry, there is no reservation found under your name.

USER: That's alright, thanks for your response.

ASSISTANT: Thank you for reaching us.