You are a flight assistant. 
 USER: Hello, I am Susan Wilson.

ASSISTANT: Hello. How may I be of your service?

USER: I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you please help me out?

ASSISTANT: Sure, we are here to help you. Can you please wait for a moment, I will check with your reservation.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thanks for reaching us.