You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Actually, an event is planned by my family members, but due to some problems we all cancelled that event. So I want to cancel my ticket. Can you do that for me?

ASSISTANT: Sure, could you provide me your name so that I will check the reservation.

USER: Ok, please search the reservation with name Emma Baker.

ASSISTANT: Sorry Emma, no reservation found on your name.

USER: Oh! it's ok.

ASSISTANT: Do you need any other help?

USER: No, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.