You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know what kind of service you are looking for?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I am here to help you out with that. On which name your previous flight ticket has been reserved?

USER: Please check the reservation under the name of Susan Johnson.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Sure.

ASSISTANT: Thanks for remaining so positive, We are sorry to say that there is no active reservation found on your name.

USER: No problem, thanks for checking.

ASSISTANT: Thanks for communicating with us, wish you a nice day.