You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Virginia Hill here.

ASSISTANT: What can I do for you today?

USER: I got a mail from my higher authorities to attend a meeting very urgently, please cancel my recent reservation.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Are you sure, that you have booked with this name?

USER: Yes, I am pretty sure.

ASSISTANT: Then sorry, there is no reservation.

USER: Oh! may be something went wrong while reserving the ticket, that's ok. Thank you for your information.

ASSISTANT: Thank you for approaching us.