You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Edward Rodriguez.

ASSISTANT: How can I help you?

USER: Can oyu help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Just a moment please?

USER: Sure.

ASSISTANT: I am sorry to say, no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.