You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I render you today?

USER: I want to change my earlier reservation as my meeting with my share holder has been shifted to other venue.

ASSISTANT: Ok.

USER: Will you help me in changing my reservation?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I have your name?

USER: Reservation is done my name Jennifer Harris.

ASSISTANT: Ok, please hold on for a while, I will check the reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience.

USER: Ok.

ASSISTANT: I have checked with the reservation list, but no seat was reserved for you with any flight.

USER: Ok, I think I made my reservation with other airline.

ASSISTANT: Thanks for approaching us, Have a cheerful day.

USER: Thanks for the effort  in checking my reservation.