You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Eric Martin.

ASSISTANT: Eric, how may I help you?

USER: Please change my reservation to new locations.

ASSISTANT: Sure, please hold on for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: It's ok, not a problem with that. Thank you for searching the reservation.

ASSISTANT: Thank you for contacting us.