You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to our Delta travelling agency.

USER: I am Paul Young.

ASSISTANT: How may I help you? Nice to meet you, Paul.

USER: I am planning to cancel my recent reservation.Because my meeting was postponed. Can you help me out?

ASSISTANT: Sure, I will help you in this.

USER: That's great.

ASSISTANT: Please wait for a moment to check the available reservation and yet to cancel it.

USER: Sure.

ASSISTANT: Sorry Paul, there is no reservation found on your name to cancel your reservation.

USER: That's fine. Thank you for your service.

ASSISTANT: Do you want any other requirement from me?

USER: No, I don't have any plans.

ASSISTANT: Thank you for contacting us.