You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, we are here to help you . May I know your name?

USER: I am Rebecca Perez.

ASSISTANT: Please wait a while.

USER: Thanks for your assitance.

ASSISTANT: There is no reservation found by this name.

USER: Thank you.

ASSISTANT: Thank you for consulting us.