You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jennifer Harris.

ASSISTANT: How can I help you?

USER: Please help me to cancel my recent reservation as my exam scheduled got post pone due to some technical issues.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.