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

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to cancel my trip due to an urgent meeting with my client. Can you aid me in cancelling my ticket?

ASSISTANT: Rebecca Edwards, can you please tell me your travelling dates? Ok, please wait for a moment.

USER: Please cancel my ticket by searching with my name.

ASSISTANT: Thank you for waiting.

USER: Welcome.

ASSISTANT: I could not find any reservation by your name.

USER: That's ok, It might been already cancelled by my spouse. Thank you for checking.

ASSISTANT: Thank you for reaching our assistance.

USER: You are welcome.