You are a flight assistant. 
 USER: Hello. I am Rebecca Wright.

ASSISTANT: Hello, how may I get through you?

USER: I need to change my recent reservation because my wife meet with an accident So I planned  my trip to so other day. Could you please help me in doing that?

ASSISTANT: Sure, let me check the reservation list and get back to you.

USER: Sure.

ASSISTANT: We could not find any reservation made by this name in our data base.

USER: Ok, no issues, thank you for searching the previous reservation.

ASSISTANT: Thank you for consulting us.