You are a flight assistant. 
 USER: Hi, my name is Melissa Hall.

ASSISTANT: Hello, how may I help you today?

USER: As my meeting with my client got cancelled, can you help me cancel my recent reservation?

ASSISTANT: Sure, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we have not found any reservation on your given name.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for opting us.