You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Actually my trip is cancelled due to some financial issues, so I need to cancel my recent reservation. Will you help me?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Ok, may I know your name?

USER: My name in previous ticket is George Adams.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait for your reply.

ASSISTANT: Sorry Adams, no reservation found on your name in our database.

USER: It's ok, thank you for searching.

ASSISTANT: Do you need any other help?

USER: No, thank you.

ASSISTANT: Ok, thank you for reaching us.