You are a flight assistant. 
 USER: Hello, I am Cynthia Smith.

ASSISTANT: Hello Cynthia Smith, how may I help you?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my existing reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait, let me check your reservation status in our database.

USER: Take your time.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: No issues. Thank you for checking.

ASSISTANT: You are most welcome and thank you for contacting us.

USER: You are welcome.