You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Ruth Campbell.

ASSISTANT: How may I be your helping hand today?

USER: Due to heavy rainfall in my city, I am planning to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will support you in this.

USER: Thanks.

ASSISTANT: Please wait a while let me check and I will revert to you with the status.

USER: Sure.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: It's fine. Thank you for your immediate response.

ASSISTANT: Thank you for opting our service.

USER: You are welcome.