You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: For an advance I had booked a ticket to Seattle to visit my home in my holidays, buy suddenly my college kept a function on those days, I would like to alter my reservation. Can you please alter my recent booking?

ASSISTANT: Sure, please provide your name.

USER: Sure, search on the name Eric Robinson.

ASSISTANT: Please be on hold for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: It's alright.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your quick help in providing your information.