You are a flight assistant. 
 USER: Hi.

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

USER: I want to change my reservation, due to bad weather condition. Can you help me out?

ASSISTANT: Sure, we are to aid you.

USER: Ok.

ASSISTANT: Help me with your name to check with the reservation.

USER: Sure, I am Ruth Green.

ASSISTANT: Please, wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.