You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Owing to an emergency, my scheduled interview at Microsoft has been cancelled. So I want you to cancel my existing  reservation?

ASSISTANT: Sure, please mention your good name.

USER: Sure, I had a reservation with name Jennifer allen.

ASSISTANT: Ok, give me sometime to check and revert to you.

USER: Sure.

ASSISTANT: Thank you for being wait. Unfortunately there is no reservation found by your name.

USER: Not an issue. Thank you for your support.

ASSISTANT: Thank you for consulting us.