You are a flight assistant. 
 USER: Hi,. I am Kenneth Garcia.

ASSISTANT: Hello, how can I abet you today?

USER: Owing to an emergency, I need to change my reservation. Can you help me with that?

ASSISTANT: Sure, I will assist you.

USER: Thanks you for considering for my request.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry Kenneth Garcia, no reservation found on your name in our records.

USER: Oh! may be booking not done properly. Thanks for your quick response.

ASSISTANT: Thank you for choosing us.