You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: We friends were planning to cancel this tour, will you help me out in this?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: May I know on which name the reservation was made?

USER: Reservation is made on the name of Carolyn Clark.

ASSISTANT: Please wait for a while, I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for reaching us, sorry there is no reservation found on given name.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.