You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, you are at Logical agency. How can I help you?

USER: Ok. Actually I planned a trip with my family, but unfortunately no one available as per that dates, so can you cancel my reservation?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Samuel Adams.

ASSISTANT: Sad to inform you but no reservation was found by your name Mr.Adams. Thank you for reaching our agency for help.

USER: Oh, it's ok no problem. Thank you for your information.

ASSISTANT: Hope you keep choosing us for your further bookings also. Thank you.

USER: Welcome.