You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you now?

USER:  I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you help me?

ASSISTANT: Sure, I will help you with that. May I know your name?

USER: Emma Martinez here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for reaching us.