You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I render you today?

USER: As the meeting which I scheduled to attend got postponed due to bad weather, I want you to change my reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Let me know your name to check with the reservation.

USER: I am Kimberly Miller.

ASSISTANT: Thanks for your name. Please, stay online.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name Kimberly Miller.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for opting us.