You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Myself Sarah Adams.

ASSISTANT: Yes, Sarah.

USER: For some personal reason I want to cancel my reservation. Can you please help me?

ASSISTANT: Sure, please hold on.

USER: Sure.

ASSISTANT: May be you had not done your reservation properly, there is no reservation found in our database on your name.

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

ASSISTANT: Thank you for reaching us.