You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Unfortunately my exams was postponed so I want to change my active reservation so, can you please help me to change my active reservation?

ASSISTANT: Sure, may I know your name?

USER: Myself Eric Gonzalez.

ASSISTANT: Please wait for a moment to check your details.

USER: Ok, I will wait.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, not an issues. Any way thank you for your time.

ASSISTANT: Thank you for reaching us.