You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you at this moment?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, I am happy to help you in the ticket cancellation process. Can you please tell me your name to check the ticket status?

USER: My name is Benjamin Carter.

ASSISTANT: Ok, please give me a minute. I will check the status and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry for the trouble which is caused to you, there is no active reservation on your name to cancel the ticket.

USER: That's ok, thank you for checking.

ASSISTANT: My pleasure to help you. Thanks a lot for reaching our agency.

USER: Welcome.