You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brandon Lee here.

ASSISTANT: How may I guide you today?

USER: I am suffering with typhoid fever, so I am unable to travel to my old office to attend the meeting, can you help in cancelling my ticket?

ASSISTANT: Sure, I will help you with that. Please wait for a minute.

USER: Ok, I will wait for your reply.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.