You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: Sure, my name is Karen King.

ASSISTANT: How may I oblige you today?

USER: Actually I have planned to attend the client meeting but due to some technical issues the meeting got postponed. Can you help me to change my reservation?

ASSISTANT: Sure, my job is to do service to our customers. Please give me a moment.

USER: Sure, take your own time.

ASSISTANT: Thanks for remaining so positive, we are unable to find the reservation on your name.

USER: Not an issue, thanks for your kind help.

ASSISTANT: Thanks for picking us.