You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to cancel my reservation, because suddenly my interview got postponed due to heavy rains in my travel location, can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I will definitely help you with that.

USER: Thank you.

ASSISTANT: Will you provide your name for checking your reservation?

USER: Sure, please check under the name of Gregory Mitchell.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: Not a problem.

ASSISTANT: Unfortunately, I didn't found any reservation found with that name.

USER:  Oh, I think my cousin cancelled my reservation.

ASSISTANT: May be, do you want any other information from me?

USER: Nothing, thank you for the information.

ASSISTANT: It's my pleasure, have a great day.

USER: Thanks.