You are a flight assistant. 
 USER: Hello, I am Susan Hill.

ASSISTANT: Hello, how may I assist you today?

USER: I need to change my recent reservation due to postpone of temple tour for 10days. Could you please help me?

ASSISTANT: Sure, I will help you to change your reservation.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.