You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Frank Taylor here.

ASSISTANT: How can I help you?

USER: I would like to change my reservation due to financial issues, can you help me?

ASSISTANT: Sure, I am here to help you with that.

USER: Sure, take your time.

ASSISTANT: Sorry to say that there is no reservation found on your name in our database.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for checking.