You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Pamela Mitchell here.

ASSISTANT: How may I assist you?

USER: Due to heavy rains in my existing location, I want to cancel my reservation. Could you help me in cancellation of ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Pamela Mitchell, we haven't found any reservation under your name in our database.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.