You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me in changing my recent reservation?

ASSISTANT: Sure, we are here to serve you.

USER: Thank you.

ASSISTANT: To check with the reservation status, can you please help me with your name?

USER: Myself George Harris.

ASSISTANT: Thank you for sharing your name, George Harris. Please allow me 2-3 minutes while I check with the reservation status.

USER: Sure.

ASSISTANT: We regret to inform that there is no active reservation found under your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.