You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Christine Parker here, can you help me to cancel my existing reservation?

ASSISTANT: Sure, I am glad to help you. Please wait for a while.

USER: Thank you. I will wait for your response.

ASSISTANT: Sorry Parker, there is no reservation found under your name in our database to cancel it.

USER: That's ok, not a problem. Thank you for connecting with our agency.

ASSISTANT: Thank you for reaching us.