You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Matthew Walker here.

ASSISTANT: Nice to meet you, Walker.

USER: Due to heavy rains in my travel location, I am not able to travel in a flight on those dates. So can you please help me out with changing of my reservation?

ASSISTANT: Ok, please wait for a mean while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found as per your name to change your reservation.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.