You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me to cancel my recent reservation as my plan to meet my grand parents got postpone due to technical issues.

ASSISTANT: Sure. Can I have your name?

USER: I am Jessica Mitchell.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Shall I cancel it?

USER: Ok, please cancel the ticket.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.