You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Linda King. Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure.

ASSISTANT: Linda King, there is no reservation found under your name.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome. Thank you for contacting us.