You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Due to money problem, I am unable to travel the trip, can you cancel my ticket?

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Please mention the name for checking the reservation.

USER: My name is Charles Johnson.

ASSISTANT: There is no reservation found under your name.

USER: No issues with that one, thank you for your search.

ASSISTANT: Welcome, have a great day.