You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sandra Smith.

ASSISTANT: How may I serve you today?

USER: I want to cancel my recently done reservation, can you please help?

ASSISTANT: Sure, please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Not an Issue, thank you for your time.

ASSISTANT: Thank you for reaching us.