You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Scott Thompson here.

ASSISTANT: Scott, how may I help you?

USER: I would like to cancel my recent reservation, can you help me to change that reservation?

ASSISTANT: Sure, please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation is found by your name.

USER: It's ok. Thank you for your information.

ASSISTANT: Thank you for choosing us.