You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Laura Phillips.

ASSISTANT: How can I assist you?

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Will you help me with that?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Thank you for accepting my request.

ASSISTANT: Laura Phillips, there is no reservation found under your name to do modifications in that.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.