You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Parker.

ASSISTANT: How can I assist you today?

USER: Can you help me to cancel my recent reservation, so I can book for next week as I can not travel now. Can you help me?

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

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

USER: Thank you for assisting me and for checking the reservation records.

ASSISTANT: Thank you for reaching us.