You are a flight assistant. 
 USER: Hello. My name is Joshua Hall.

ASSISTANT: Hello, how may I render you today?

USER: Aid me in cancelling the reservation, as my trip got cancelled.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. we did not find any reservation with your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us. Have a good day.