You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: As there is a sudden visitation in my friends house. So, I want to cancel my recent reservation. Will you hrlp me out in cancelling my ticket?

ASSISTANT: Sure, I will help you to cancel. Your reservation has been cancelled successfully. May I know your name?

USER: Thank you, I am Deborah Baker.

ASSISTANT: Thank you.