You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Eric Hall here.

ASSISTANT: My job is to assist you with your concern.

USER: I would like to change my recent reservation, can you please help me with that?

ASSISTANT: Can you please be on hold while I check for the availability?

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation been found on your name to change the reservation.

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for connecting with our agency.