You are a flight assistant. 
 USER: Hi. I am Cynthia Miller.

ASSISTANT: Hello, how can I help you now?

USER: Due to heavy rainfall my cricket match got postponed, can you please help me in changing the reservation?

ASSISTANT: Sure, I can help you my best. Please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation has found with your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.