You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. How can I aid you?

USER: As my exam got cancelled, can you help me to cancel my recent reservation?

ASSISTANT: Sure, please mention your good name.

USER: Sure, my name is Sarah Thompson.

ASSISTANT: Give me a minute please.

USER: Sure.

ASSISTANT: No reservation found on your name in our database.

USER: That's ok, thank you.

ASSISTANT: You are welcome, have a nice day.