You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have to cancel my reservation due to my planned event got cancelled. So  please help me with that.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know your name to proceed further?

USER: Sure, please check the reservation with my name Joseph Clark.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your valuable time, sorry no reservation found on your name.

USER: Oh! It may not be booked properly due to server issues while booking. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.