You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you change your recent reservation, as my exam is postponed?

ASSISTANT: Sure, will you mention your name for checking the reservation status?

USER: I am Shirley Wright.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: That's ok, thank you.

ASSISTANT: Welcome, have great day.