You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I'm looking for an agency which can do some modifications in my recent reservation, can you please help me in that?

ASSISTANT: Sure, may I know your name?

USER: Yes, my name is Emily Lopez.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.