You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I help you for the day?

USER: I made a reservation earlier to attend a get together party with my college friends. Due to heavy rainfall we have changed the dates. So, please help me with changing reservation.

ASSISTANT: Sure, can you please provide your name to check with your previous reservation?

USER: Brenda Mitchell is my name.

ASSISTANT: Please standby, I will revert to you.

USER: OK.

ASSISTANT: Sorry, there is no reservation found in your name.

USER: Ok, leave it. Not a big problem. Thanks for your time.

ASSISTANT: Thanks for approaching us.