You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I have reserved a flight ticket to write an exam at Seattle but due to technical problems the exam got postponed, can you please change my previous flight ticket booking?

ASSISTANT: Sure, may I know your name?

USER: Thank you and I am Pamela Edwards.

ASSISTANT: Please wait for couple of minutes.

USER: Sure.

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

USER: Ok, that's fine. Thank you for your immediate response.

ASSISTANT: Thank you for reaching us.