You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How could I support you the best today?

USER: I want to change my recent reservation as my exams got postponed, can you please help me with that?

ASSISTANT: On which name your ticket has been reserved?

USER: Steven Baker.

ASSISTANT: Just hold on a moment, let me check your reservation and get back to you.

USER: Sure.

ASSISTANT: We did not find any reservation on your given name in our records.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for availing us.