You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Smith.

ASSISTANT: How can I assist you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Ok, please wait.

USER: Ok, take your time.

ASSISTANT: I found your reservation and on your request I have cancelled your reservation.

USER: Thank you for helping me out.

ASSISTANT: Thank you for reaching us.