You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Due to some financial issue, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I can help you with that. Can you please tell me your good name?

USER: Sure, I am John Martin.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry Martin, there is no active reservation found with your name in our database.

USER: Thank you for your valuable time.

ASSISTANT: You are welcome. Thank you for reaching our travel agency.