You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Ryan Scott.

ASSISTANT: How can I assist you at this moment?

USER:  I am having sudden meeting in my office, can you please help me to cancel my reservation?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Ryan Scott, there is no active reservation found under your name in our database.

USER: That's fine, no problem.

ASSISTANT: Thank you for utilising our service.

USER: Thank you for assisting me.