You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jacob Edwards, due to some personal issue, I would like to change my recent reservation, can you help me?

ASSISTANT: Ok, please wait a moment let me check your reservation status.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found with your name in our database.

USER: That's fine, thanks for your information.

ASSISTANT: Thanks for consulting us.