You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to change my recent reservation, can you please help me?

ASSISTANT: Sure, I am going to take care of this for you. I will help you in change of flight ticket reservation. May I know your name please?

USER: Myself Eric Perez.

ASSISTANT: Wait for a moment please.

USER: Sure, I will be waiting.

ASSISTANT: Thanks for your time.

USER: Not an Issue.

ASSISTANT: I could not find your flight reservation. Sorry for the inconvenience caused.

USER: That's ok, thank you for searching my details.

ASSISTANT: Thanks for contacting us.