You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Barbara Miller.

ASSISTANT: How may I help you today?

USER: I would like to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, I will be helping you with cancellation.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no active reservations to cancel your journey.

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

ASSISTANT: Thank you for opting our service.