You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, may I know your name to check your ticket status?

USER: Thank you. Cynthia Wright.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry Cynthia Wright, no reservation is available by your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for choosing us.