You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assess you the day?

USER: Owing to an emergency so I had to request for this change reservation. Can you please help me to change an existing reservation?

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: On what name, do I need to change the reservation?

USER: It's my name only Eric Hernandez.

ASSISTANT: Please wait, let me check the reservation status.

USER: Sure.

ASSISTANT: W e did not find any reservation, on your name to change it.

USER: Ok, no problem.

ASSISTANT: Thanks for reaching us.